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Full (normal) retirement age by year of birth

[{"born":"1943-1954","years":66,"months":0},{"born":"1955","years":66,"months":2},{"born":"1956","years":66,"months":4},{"born":"1957","years":66,"months":6},{"born":"1958","years":66,"months":8},{"born":"1959","years":66,"months":10},{"born":"1960 and later","years":67,"months":0}] years and months of age

2026, from 2026-01-01 · verified 2026-10-31 against the official source · next expected change 2027-01-01

1943-1954 66; 1955 66 and 2 months; 1956 66 and 4 months; 1957 66 and 6 months; 1958 66 and 8 months; 1959 66 and 10 months; 1960 and later 67. If you were born on January 1st, you should refer to the previous year.
key
us/social-security-benefits/full-retirement-age-by-birth-year
value
[{"born":"1943-1954","years":66,"months":0},{"born":"1955","years":66,"months":2},{"born":"1956","years":66,"months":4},{"born":"1957","years":66,"months":6},{"born":"1958","years":66,"months":8},{"born":"1959","years":66,"months":10},{"born":"1960 and later","years":67,"months":0}] years and months of age
period
2026
effective
2026-01-01 to date
source
https://www.ssa.gov/benefits/retirement/planner/agereduction.html
verified
2026-10-31 — fresh (6 days ago; next check by 2026-11-01)
next expected change
2027-01-01 (annual: a fixed day each year)
scope
Benefit rules read from ssa.gov in a browser (ssa.gov answers 403 to automated fetches); the taxation amounts are from IRS Publication 915 (2025), the latest edition. Keys ending -2027 hold SSA figures already published for 2027; unsuffixed keys hold the 2026 value.
hash
sha256:45a4cb0e64251c2cb47548b1d80dae1e6ff351828682349f9d122799711bb3f1
signature
EdDSA, key db-2026-10 — keys

As JSON

curl -s https://databutler.dev/f/us/social-security-benefits/full-retirement-age-by-birth-year?max_age=30d — schema; verify with npx verified-facts verify https://databutler.dev/f/us/social-security-benefits/full-retirement-age-by-birth-year

{
  "protocol": "verified-facts/0.3",
  "key": "us/social-security-benefits/full-retirement-age-by-birth-year",
  "label": "Full (normal) retirement age by year of birth",
  "value": [
    {
      "born": "1943-1954",
      "years": 66,
      "months": 0
    },
    {
      "born": "1955",
      "years": 66,
      "months": 2
    },
    {
      "born": "1956",
      "years": 66,
      "months": 4
    },
    {
      "born": "1957",
      "years": 66,
      "months": 6
    },
    {
      "born": "1958",
      "years": 66,
      "months": 8
    },
    {
      "born": "1959",
      "years": 66,
      "months": 10
    },
    {
      "born": "1960 and later",
      "years": 67,
      "months": 0
    }
  ],
  "unit": "years and months of age",
  "period": "2026",
  "effectiveFrom": "2026-01-01",
  "effectiveTo": null,
  "source": "https://www.ssa.gov/benefits/retirement/planner/agereduction.html",
  "quote": "1943-1954 66; 1955 66 and 2 months; 1956 66 and 4 months; 1957 66 and 6 months; 1958 66 and 8 months; 1959 66 and 10 months; 1960 and later 67. If you were born on January 1st, you should refer to the previous year.",
  "verifiedDate": "2026-10-31",
  "nextScheduledRefresh": "2026-11-01",
  "changeCadence": "annual",
  "nextExpectedChange": "2027-01-01",
  "status": "fresh",
  "ageDays": 6,
  "maxAgeDays": null,
  "scope": "Benefit rules read from ssa.gov in a browser (ssa.gov answers 403 to automated fetches); the taxation amounts are from IRS Publication 915 (2025), the latest edition. Keys ending -2027 hold SSA figures already published for 2027; unsuffixed keys hold the 2026 value.",
  "hash": "sha256:45a4cb0e64251c2cb47548b1d80dae1e6ff351828682349f9d122799711bb3f1",
  "signature": {
    "alg": "EdDSA",
    "kid": "db-2026-10",
    "jws": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRiLTIwMjYtMTAifQ..HTkY8hULRZDd5xVBhUyYhMvCwKTzvU-m_D5Xnqf4BabIMpy_gYnvICgZb8NtyDdOYDrZxoaKOlMsMIh7xORgCA",
    "keys": "https://databutler.dev/.well-known/jwks.json"
  },
  "publisher": {
    "name": "Data Butler",
    "url": "https://databutler.dev/"
  },
  "cite": {
    "url": "https://databutler.dev/facts/us/social-security-benefits/full-retirement-age-by-birth-year",
    "text": "databutler.dev, verified 2026-10-31 against https://www.ssa.gov/benefits/retirement/planner/agereduction.html"
  }
}