diff --git a/changelog.d/soi-uprating-ty2023.changed.md b/changelog.d/soi-uprating-ty2023.changed.md
new file mode 100644
index 00000000000..8c7eeefe4f2
--- /dev/null
+++ b/changelog.d/soi-uprating-ty2023.changed.md
@@ -0,0 +1 @@
+Extend the IRS SOI income uprating series to tax year 2023 with Publication 1304 Tables 1.4 and 1.4A.
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/alimony_income.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/alimony_income.yaml
index 28d3a3fe0a8..a1256024901 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/alimony_income.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/alimony_income.yaml
@@ -10,6 +10,8 @@ values:
   2019-01-01: 10_810_673_000
   2020-01-01: 9_659_488_000
   2021-01-01: 8_507_104_000
+  2022-01-01: 7_432_678_000
+  2023-01-01: 6_686_429_000
 metadata:
   unit: currency-USD
   label: SOI alimony income
@@ -29,3 +31,7 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/20in14ar.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2021, alimony received
       href: https://www.irs.gov/pub/irs-soi/21in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2022, alimony received
+      href: https://www.irs.gov/pub/irs-soi/22in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2023, alimony received
+      href: https://www.irs.gov/pub/irs-soi/23in14ar.xls
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/employment_income.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/employment_income.yaml
index 5a6466b8a59..6c31d31f63d 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/employment_income.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/employment_income.yaml
@@ -1,8 +1,13 @@
 description: Total employment income.
 values:
-  # IRS SOI Publication 1304 Table 1.4, all returns: salaries and wages.
-  # Amounts are published in thousands of dollars. Each value is for the tax
-  # year of its date.
+  # IRS SOI Publication 1304 Table 1.4, all returns: salaries and wages, Form
+  # 1040 line 1. From tax year 2022 the form splits line 1 into lines 1a to
+  # 1z and the table labels the line 1z total "total wages, total". Line 1z
+  # leaves out three amounts that line 1 included and that moved to Schedule 1
+  # that year: scholarships not reported on Form W-2, pensions from
+  # nonqualified deferred compensation and section 457 plans, and wages earned
+  # while incarcerated. Amounts are published in thousands of dollars. Each
+  # value is for the tax year of its date.
   2015-01-01: 7_112_222_959_000
   2016-01-01: 7_217_425_529_000
   2017-01-01: 7_577_563_943_000
@@ -10,6 +15,8 @@ values:
   2019-01-01: 8_273_071_046_000
   2020-01-01: 8_416_495_535_000
   2021-01-01: 9_022_352_941_000
+  2022-01-01: 9_738_950_972_000
+  2023-01-01: 10_204_095_705_000
 metadata:
   unit: currency-USD
   label: SOI employment income
@@ -29,3 +36,9 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/20in14ar.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2021, salaries and wages
       href: https://www.irs.gov/pub/irs-soi/21in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2022, total wages, total
+      href: https://www.irs.gov/pub/irs-soi/22in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2023, total wages, total
+      href: https://www.irs.gov/pub/irs-soi/23in14ar.xls
+    - title: 2022 Instructions for Form 1040, What's New (line 1 split into lines 1a to 1z)
+      href: https://www.irs.gov/pub/irs-prior/i1040gi--2022.pdf#page=6
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/farm_income.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/farm_income.yaml
index adb41fc5add..ba201ff8480 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/farm_income.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/farm_income.yaml
@@ -10,6 +10,8 @@ values:
   2019-01-01: -23_797_084_000
   2020-01-01: -21_864_139_000
   2021-01-01: -26_141_944_000
+  2022-01-01: -25_342_708_000
+  2023-01-01: -27_788_190_000
 metadata:
   unit: currency-USD
   label: SOI farm income
@@ -29,3 +31,7 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/20in14ar.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2021, farm net income and net loss
       href: https://www.irs.gov/pub/irs-soi/21in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2022, farm net income and net loss
+      href: https://www.irs.gov/pub/irs-soi/22in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2023, farm net income and net loss
+      href: https://www.irs.gov/pub/irs-soi/23in14ar.xls
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/farm_rent_income.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/farm_rent_income.yaml
index d6a24e95037..e99aafe2200 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/farm_rent_income.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/farm_rent_income.yaml
@@ -10,6 +10,8 @@ values:
   2019-01-01: 4_494_333_000
   2020-01-01: 4_893_181_000
   2021-01-01: 5_555_955_000
+  2022-01-01: 6_073_960_000
+  2023-01-01: 6_281_620_000
 metadata:
   unit: currency-USD
   label: SOI farm rental income
@@ -29,3 +31,7 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/20in14ar.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2021, farm rental net income and net loss
       href: https://www.irs.gov/pub/irs-soi/21in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2022, farm rental net income and net loss
+      href: https://www.irs.gov/pub/irs-soi/22in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2023, farm rental net income and net loss
+      href: https://www.irs.gov/pub/irs-soi/23in14ar.xls
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/non_qualified_dividend_income.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/non_qualified_dividend_income.yaml
index ce636d6db44..aad7e2b9bc6 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/non_qualified_dividend_income.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/non_qualified_dividend_income.yaml
@@ -9,6 +9,9 @@ values:
   2018-01-01: 77_324_260_000
   2019-01-01: 83_600_037_000
   2020-01-01: 67_632_347_000
+  2021-01-01: 91_055_267_000
+  2022-01-01: 99_090_005_000
+  2023-01-01: 168_154_685_000
 metadata:
   unit: currency-USD
   label: SOI non-qualified dividend income
@@ -26,3 +29,9 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/19in14ar.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2020, ordinary dividends and qualified dividends
       href: https://www.irs.gov/pub/irs-soi/20in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2021, ordinary dividends and qualified dividends
+      href: https://www.irs.gov/pub/irs-soi/21in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2022, ordinary dividends and qualified dividends
+      href: https://www.irs.gov/pub/irs-soi/22in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2023, ordinary dividends and qualified dividends
+      href: https://www.irs.gov/pub/irs-soi/23in14ar.xls
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/partnership_s_corp_income.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/partnership_s_corp_income.yaml
index 5625465ec63..738934b5558 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/partnership_s_corp_income.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/partnership_s_corp_income.yaml
@@ -12,6 +12,7 @@ values:
   2020-01-01: 707_431_779_000
   2021-01-01: 975_656_401_000
   2022-01-01: 1_031_207_920_000
+  2023-01-01: 991_100_084_000
 metadata:
   unit: currency-USD
   label: SOI partnership and S-corp income
@@ -33,3 +34,5 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/21in14ar.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2022, partnership and S corporation net income and net loss
       href: https://www.irs.gov/pub/irs-soi/22in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2023, partnership and S corporation net income and net loss
+      href: https://www.irs.gov/pub/irs-soi/23in14ar.xls
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/qualified_dividend_income.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/qualified_dividend_income.yaml
index 07f9a78f3c5..01ee1aeb0b9 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/qualified_dividend_income.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/qualified_dividend_income.yaml
@@ -9,6 +9,9 @@ values:
   2018-01-01: 243_746_121_000
   2019-01-01: 248_190_601_000
   2020-01-01: 260_244_440_000
+  2021-01-01: 295_906_194_000
+  2022-01-01: 313_230_845_000
+  2023-01-01: 336_070_296_000
 metadata:
   unit: currency-USD
   label: SOI qualified dividend income
@@ -26,3 +29,9 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/19in14ar.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2020, qualified dividends
       href: https://www.irs.gov/pub/irs-soi/20in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2021, qualified dividends
+      href: https://www.irs.gov/pub/irs-soi/21in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2022, qualified dividends
+      href: https://www.irs.gov/pub/irs-soi/22in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2023, qualified dividends
+      href: https://www.irs.gov/pub/irs-soi/23in14ar.xls
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/rental_income.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/rental_income.yaml
index d5373e8dfc1..c45eb844144 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/rental_income.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/rental_income.yaml
@@ -11,6 +11,8 @@ values:
   2019-01-01: 47_874_852_000
   2020-01-01: 40_035_052_000
   2021-01-01: 46_581_312_000
+  2022-01-01: 51_428_727_000
+  2023-01-01: 56_372_332_000
 metadata:
   unit: currency-USD
   label: SOI rental income
@@ -30,3 +32,7 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/20in14ar.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2021, rent and royalty net income and net loss
       href: https://www.irs.gov/pub/irs-soi/21in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2022, rent and royalty net income and net loss
+      href: https://www.irs.gov/pub/irs-soi/22in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2023, rent and royalty net income and net loss
+      href: https://www.irs.gov/pub/irs-soi/23in14ar.xls
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/self_employment_income.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/self_employment_income.yaml
index e7de887733e..9afc2c4987b 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/self_employment_income.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/self_employment_income.yaml
@@ -9,6 +9,9 @@ values:
   2018-01-01: 430_062_977_000
   2019-01-01: 442_854_286_000
   2020-01-01: 436_378_623_000
+  2021-01-01: 517_081_772_000
+  2022-01-01: 543_564_980_000
+  2023-01-01: 530_380_019_000
 metadata:
   unit: currency-USD
   label: SOI self-employment income
@@ -26,3 +29,9 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/19in14ar.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2020, business or profession net income
       href: https://www.irs.gov/pub/irs-soi/20in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2021, business or profession net income
+      href: https://www.irs.gov/pub/irs-soi/21in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2022, business or profession net income
+      href: https://www.irs.gov/pub/irs-soi/22in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2023, business or profession net income
+      href: https://www.irs.gov/pub/irs-soi/23in14ar.xls
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/short_term_capital_gains.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/short_term_capital_gains.yaml
index 2aeb445e47c..e200837e397 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/short_term_capital_gains.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/short_term_capital_gains.yaml
@@ -12,6 +12,7 @@ values:
   2020-01-01: 150_302_155_000
   2021-01-01: 208_522_006_000
   2022-01-01: 77_731_595_000
+  2023-01-01: 70_482_448_000
 metadata:
   unit: currency-USD
   label: SOI short-term capital gains
@@ -33,3 +34,5 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/21in14acg.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4A, tax year 2022, net short-term capital gain
       href: https://www.irs.gov/pub/irs-soi/22in14acg.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4A, tax year 2023, net short-term capital gain
+      href: https://www.irs.gov/pub/irs-soi/23in14acg.xls
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/social_security.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/social_security.yaml
index 2d43e8fdbb2..27007dfdb6d 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/social_security.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/social_security.yaml
@@ -10,6 +10,8 @@ values:
   2019-01-01: 718_890_477_000
   2020-01-01: 774_017_713_000
   2021-01-01: 791_161_174_000
+  2022-01-01: 871_307_268_000
+  2023-01-01: 973_642_779_000
 metadata:
   unit: currency-USD
   label: SOI social security
@@ -29,3 +31,7 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/20in14ar.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2021, social security benefits, total
       href: https://www.irs.gov/pub/irs-soi/21in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2022, social security benefits, total
+      href: https://www.irs.gov/pub/irs-soi/22in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2023, social security benefits, total
+      href: https://www.irs.gov/pub/irs-soi/23in14ar.xls
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/tax_exempt_interest_income.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/tax_exempt_interest_income.yaml
index 1bb7e46283d..17d54eae104 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/tax_exempt_interest_income.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/tax_exempt_interest_income.yaml
@@ -9,6 +9,9 @@ values:
   2018-01-01: 60_224_030_000
   2019-01-01: 61_575_197_000
   2020-01-01: 59_449_107_000
+  2021-01-01: 55_518_422_000
+  2022-01-01: 55_567_941_000
+  2023-01-01: 66_091_992_000
 metadata:
   unit: currency-USD
   label: SOI tax-exempt interest income
@@ -26,3 +29,9 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/19in14ar.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2020, tax-exempt interest
       href: https://www.irs.gov/pub/irs-soi/20in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2021, tax-exempt interest
+      href: https://www.irs.gov/pub/irs-soi/21in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2022, tax-exempt interest
+      href: https://www.irs.gov/pub/irs-soi/22in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2023, tax-exempt interest
+      href: https://www.irs.gov/pub/irs-soi/23in14ar.xls
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/tax_exempt_pension_income.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/tax_exempt_pension_income.yaml
index 32eab8f7ccf..b6bf65c9514 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/tax_exempt_pension_income.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/tax_exempt_pension_income.yaml
@@ -12,6 +12,9 @@ values:
   2018-01-01: 473_418_497_000
   2019-01-01: 506_377_761_000
   2020-01-01: 580_350_454_000
+  2021-01-01: 648_909_722_000
+  2022-01-01: 616_711_706_000
+  2023-01-01: 662_770_341_000
 metadata:
   unit: currency-USD
   label: SOI tax-exempt pension income
@@ -27,3 +30,9 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/19in14ar.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2020, pensions and annuities, total and taxable
       href: https://www.irs.gov/pub/irs-soi/20in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2021, pensions and annuities, total and taxable
+      href: https://www.irs.gov/pub/irs-soi/21in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2022, pensions and annuities, total and taxable
+      href: https://www.irs.gov/pub/irs-soi/22in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2023, pensions and annuities, total and taxable
+      href: https://www.irs.gov/pub/irs-soi/23in14ar.xls
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/taxable_interest_income.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/taxable_interest_income.yaml
index 60db1b52a15..bea5f07f643 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/taxable_interest_income.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/taxable_interest_income.yaml
@@ -9,6 +9,9 @@ values:
   2018-01-01: 128_582_739_000
   2019-01-01: 153_253_476_000
   2020-01-01: 127_375_994_000
+  2021-01-01: 103_535_203_000
+  2022-01-01: 133_596_569_000
+  2023-01-01: 313_812_674_000
 metadata:
   unit: currency-USD
   label: SOI taxable interest income
@@ -26,3 +29,9 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/19in14ar.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2020, taxable interest
       href: https://www.irs.gov/pub/irs-soi/20in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2021, taxable interest
+      href: https://www.irs.gov/pub/irs-soi/21in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2022, taxable interest
+      href: https://www.irs.gov/pub/irs-soi/22in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2023, taxable interest
+      href: https://www.irs.gov/pub/irs-soi/23in14ar.xls
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/taxable_pension_income.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/taxable_pension_income.yaml
index d8c699cb6dd..fd278559728 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/taxable_pension_income.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/taxable_pension_income.yaml
@@ -13,6 +13,9 @@ values:
   2018-01-01: 774_661_125_000
   2019-01-01: 784_497_673_000
   2020-01-01: 827_597_726_000
+  2021-01-01: 858_038_339_000
+  2022-01-01: 911_698_884_000
+  2023-01-01: 932_130_236_000
 metadata:
   unit: currency-USD
   label: SOI taxable pension income
@@ -30,3 +33,9 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/19in14ar.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2020, pensions and annuities, taxable
       href: https://www.irs.gov/pub/irs-soi/20in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2021, pensions and annuities, taxable
+      href: https://www.irs.gov/pub/irs-soi/21in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2022, pensions and annuities, taxable
+      href: https://www.irs.gov/pub/irs-soi/22in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2023, pensions and annuities, taxable
+      href: https://www.irs.gov/pub/irs-soi/23in14ar.xls
diff --git a/policyengine_us/parameters/calibration/gov/irs/soi/unemployment_compensation.yaml b/policyengine_us/parameters/calibration/gov/irs/soi/unemployment_compensation.yaml
index fbc6b9b76aa..aab32fcf2cc 100644
--- a/policyengine_us/parameters/calibration/gov/irs/soi/unemployment_compensation.yaml
+++ b/policyengine_us/parameters/calibration/gov/irs/soi/unemployment_compensation.yaml
@@ -11,11 +11,12 @@ values:
   2020-01-01: 405_283_667_000
   2021-01-01: 208_872_354_000
   2022-01-01: 30_247_572_000
+  2023-01-01: 30_939_046_000
 metadata:
   unit: currency-USD
   label: SOI unemployment compensation
-  # CBO's unemployment compensation outlays begin in 2022, the year of the
-  # last SOI total, so later years grow with them.
+  # Years after the last SOI total grow with CBO's unemployment compensation
+  # outlays, which begin in 2022.
   uprating: calibration.gov.cbo.unemployment_compensation
   reference:
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2015, unemployment compensation
@@ -34,3 +35,5 @@ metadata:
       href: https://www.irs.gov/pub/irs-soi/21in14ar.xls
     - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2022, unemployment compensation
       href: https://www.irs.gov/pub/irs-soi/22in14ar.xls
+    - title: IRS SOI Tax Stats - Publication 1304 Table 1.4, tax year 2023, unemployment compensation
+      href: https://www.irs.gov/pub/irs-soi/23in14ar.xls
diff --git a/policyengine_us/tests/test_parameter_files.py b/policyengine_us/tests/test_parameter_files.py
index 2b648c6df0f..30a6cbf2055 100644
--- a/policyengine_us/tests/test_parameter_files.py
+++ b/policyengine_us/tests/test_parameter_files.py
@@ -64,6 +64,17 @@
     # number of returns with a loss (72_972).
     "farm_rent_income.yaml": {date(2021, 1, 1): 5_555_955_000},
 }
+# The latest tax year with Publication 1304 Tables 1.4 and 1.4A. Raise it
+# when the next year is added to every series.
+SOI_LATEST_TAX_YEAR = 2023
+# From tax year 2022 Table 1.4 labels the wage total "total wages, total"
+# (Form 1040 line 1z) and shows its parts in the columns after it. The series
+# takes the total, not the Form W-2 column beside it (22in14ar: 9_360_356_986;
+# 23in14ar: 10_046_008_299).
+SOI_LINE_1Z_WAGES = {
+    date(2022, 1, 1): 9_738_950_972_000,
+    date(2023, 1, 1): 10_204_095_705_000,
+}
 PARAMETER_SCHEMA_KEYS = {
     "brackets",
     "description",
@@ -226,6 +237,24 @@ def test_soi_corrected_values_hold_their_table_1_4_totals():
             assert values[period] == value, (filename, period)
 
 
+def test_soi_series_run_to_the_latest_published_tax_year():
+    """Parameter uprating grows a series from its last value, so a series that
+    stops early projects every later year from an older tax year, and adding
+    the missing years later moves all of them. Every SOI income series ends at
+    the same, latest published tax year."""
+    for path in sorted(SOI_DIR.glob("*.yaml")):
+        parameter = yaml.safe_load(path.read_text())
+        if "values" not in parameter:
+            continue
+        assert max(parameter["values"]).year == SOI_LATEST_TAX_YEAR, path.name
+
+
+def test_soi_wages_use_the_line_1z_total():
+    values = yaml.safe_load((SOI_DIR / "employment_income.yaml").read_text())["values"]
+    for period, value in SOI_LINE_1Z_WAGES.items():
+        assert values[period] == value, period
+
+
 def test_soi_agi_bands_are_keyed_to_their_table_1_1_tax_year():
     for filename, (period, href, lowest, highest) in SOI_AGI_BAND_TABLES.items():
         parameter = yaml.safe_load((SOI_AGI_DIR / filename).read_text())