{
 "protocol": "verified-facts/0.2",
 "key": "jp/pension/kosei-nenkin-rate",
 "label": "Employees' pension insurance (kosei nenkin, 厚生年金) contribution rate, employer + employee combined (fixed since September 2017)",
 "value": 18.3,
 "unit": "% of standard remuneration (employer + employee)",
 "period": null,
 "effectiveFrom": "2017-09-01",
 "effectiveTo": null,
 "source": "https://www.nenkin.go.jp/service/kounen/hokenryo/ryogaku/ryogakuhyo/index.html",
 "quote": "平成29年9月を最後に引上げが終了し、厚生年金保険料率は18.3％で固定",
 "verifiedDate": "2026-10-24",
 "nextScheduledRefresh": "2026-11-28",
 "status": "fresh",
 "ageDays": 1,
 "maxAgeDays": null,
 "scope": "厚生年金 contribution rate (employer + employee, 被保険者負担 9.15%); 国民年金 第1号被保険者 monthly premium (付加保険料 400円 not included); 老齢基礎年金 full amount for one person with 40 years of contributions, paid from the April 2026 instalment (6月15日支払分).",
 "hash": "sha256:a25a713cf1d5d1b69856451912fbab373ef60443401b0551e68e202a40a166e0",
 "signature": {
  "alg": "EdDSA",
  "kid": "db-2026-10",
  "jws": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRiLTIwMjYtMTAifQ..Zuh_FnWXWFk0josxKTmmJAxwi96XLhOEpYN_CPdd_TgwhXBS-PsVVObbXuNt2NiYHEoLpzrOAv7JB2vWp04yAA",
  "keys": "https://databutler.dev/.well-known/jwks.json"
 },
 "publisher": {
  "name": "Data Butler",
  "url": "https://databutler.dev/"
 },
 "cite": {
  "url": "https://databutler.dev/f/jp/pension/kosei-nenkin-rate",
  "text": "databutler.dev, verified 2026-10-24 against https://www.nenkin.go.jp/service/kounen/hokenryo/ryogaku/ryogakuhyo/index.html"
 }
}