databutler.dev · /facts — every fact · Verified Facts protocol · /.well-known/facts.json · /changes
17920 JPY/month
2026, from 2026-04-01 · verified 2026-10-24 against the official source · next expected change 2027-04-01
国民年金保険料の金額は、1カ月あたり17,920円です(令和8年度)
jp/pension/kokumin-nenkin-premiumsha256:965c335b9be8fb3e9b6d8337d8be7cded63e10edb780967372808d87d5998e47db-2026-10 — keyscurl -s https://databutler.dev/f/jp/pension/kokumin-nenkin-premium?max_age=30d — schema; verify with npx verified-facts verify https://databutler.dev/f/jp/pension/kokumin-nenkin-premium
{
"protocol": "verified-facts/0.3",
"key": "jp/pension/kokumin-nenkin-premium",
"label": "National pension (kokumin nenkin, 国民年金) premium per month, category 1 insured persons, FY2026",
"value": 17920,
"unit": "JPY/month",
"period": "2026",
"effectiveFrom": "2026-04-01",
"effectiveTo": "2027-03-31",
"source": "https://www.nenkin.go.jp/service/kokunen/hokenryo/hokenryo.html",
"quote": "国民年金保険料の金額は、1カ月あたり17,920円です(令和8年度)",
"verifiedDate": "2026-10-24",
"nextScheduledRefresh": "2026-11-28",
"changeCadence": "annual",
"nextExpectedChange": "2027-04-01",
"sourceCheckedAt": "2026-11-02",
"status": "fresh",
"ageDays": 13,
"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": "sha256:965c335b9be8fb3e9b6d8337d8be7cded63e10edb780967372808d87d5998e47",
"signature": {
"alg": "EdDSA",
"kid": "db-2026-10",
"jws": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRiLTIwMjYtMTAifQ..sMG_mg1STU8uAQTA7s9jcB6Cc4DgdaNBhhI8NnjBgbDf2Xgy2YKwwJkPEzeW8iby4iPPz1kMcy6Fy5ijATJyCw",
"keys": "https://databutler.dev/.well-known/jwks.json"
},
"publisher": {
"name": "Data Butler",
"url": "https://databutler.dev/"
},
"cite": {
"url": "https://databutler.dev/facts/jp/pension/kokumin-nenkin-premium",
"text": "databutler.dev, verified 2026-10-24 against https://www.nenkin.go.jp/service/kokunen/hokenryo/hokenryo.html"
}
}