INI
国民年金・厚生年金 - INI
日本の公的年金制度は、国民年金(基礎年金)と厚生年金保険の二階建て構造で構成されています。20歳以上60歳未満の全ての居住者が国民年金に加入し、会社員や公務員は厚生年金保険に追加で加入します。2025年度の国民年金保険料は月額17,510円、厚生年金保険料率は18.3%(事業主と折半)です。受給資格期間は2017年8月の法改正により25年から10年に短縮され、より多くの人が年金を受給できるようになりました。
国民年金
厚生年金
公的年金
社会保障
老齢年金
日本年金機構
厚生労働省
[item.national-pension]
code=1
slug=national-pension
name=国民年金(基礎年金)
description=日本に居住する20歳以上60歳未満の全ての人が加入する公的年金制度です。
benefitStartAge=65
category=基礎年金
fullBenefitAmount_annual=831696
fullBenefitAmount_currency=JPY
fullBenefitAmount_monthly=69308
premium2025_currency=JPY
premium2025_monthly=17510
qualifyingPeriod_months=120
qualifyingPeriod_years=10
earlyReceipt_available=
earlyReceipt_minAge=
earlyReceipt_reduction=
premiumRate2025_rate=
premiumRate2025_split=
premiumRate2025_unit=
standardRemunerationLimits_bonus=
standardRemunerationLimits_currency=
standardRemunerationLimits_monthly=
categories=
previousRequirement_months=
previousRequirement_years=
reformDate=
requiredPeriod_months=
requiredPeriod_years=
ageRange_max=
ageRange_min=
restrictions=
exemptionTypes=
[item.employee-pension-insurance]
code=2
slug=employee-pension-insurance
name=厚生年金保険
description=会社員や公務員が加入する、国民年金に上乗せされる公的年金制度です。
benefitStartAge=65
category=報酬比例年金
fullBenefitAmount_annual=
fullBenefitAmount_currency=
fullBenefitAmount_monthly=
premium2025_currency=
premium2025_monthly=
qualifyingPeriod_months=
qualifyingPeriod_years=
earlyReceipt_available=true
earlyReceipt_minAge=60
earlyReceipt_reduction=reduced amount
premiumRate2025_rate=18.3
premiumRate2025_split=equal
premiumRate2025_unit=percent
standardRemunerationLimits_bonus=1500000
standardRemunerationLimits_currency=JPY
standardRemunerationLimits_monthly=650000
categories=
previousRequirement_months=
previousRequirement_years=
reformDate=
requiredPeriod_months=
requiredPeriod_years=
ageRange_max=
ageRange_min=
restrictions=
exemptionTypes=
[item.insured-categories]
code=3
slug=insured-categories
name=被保険者区分
description=国民年金の被保険者は第1号、第2号、第3号に区分されます。
benefitStartAge=
category=制度構造
fullBenefitAmount_annual=
fullBenefitAmount_currency=
fullBenefitAmount_monthly=
premium2025_currency=
premium2025_monthly=
qualifyingPeriod_months=
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earlyReceipt_reduction=
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premiumRate2025_split=
premiumRate2025_unit=
standardRemunerationLimits_bonus=
standardRemunerationLimits_currency=
standardRemunerationLimits_monthly=
categories=[{"code":"1","name":"第1号被保険者","examples":["自営業者","学生","無職者","パートタイム労働者"]},{"code":"2","name":"第2号被保険者","examples":["会社員","公務員"]},{"code":"3","name":"第3号被保険者","examples":["第2号被保険者の配偶者"]}]
previousRequirement_months=
previousRequirement_years=
reformDate=
requiredPeriod_months=
requiredPeriod_years=
ageRange_max=
ageRange_min=
restrictions=
exemptionTypes=
[item.qualifying-period]
code=4
slug=qualifying-period
name=受給資格期間
description=年金を受給するために必要な保険料納付済等期間は10年以上です。
benefitStartAge=
category=受給条件
fullBenefitAmount_annual=
fullBenefitAmount_currency=
fullBenefitAmount_monthly=
premium2025_currency=
premium2025_monthly=
qualifyingPeriod_months=
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earlyReceipt_available=
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earlyReceipt_reduction=
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premiumRate2025_split=
premiumRate2025_unit=
standardRemunerationLimits_bonus=
standardRemunerationLimits_currency=
standardRemunerationLimits_monthly=
categories=
previousRequirement_months=300
previousRequirement_years=25
reformDate=2017-08-01
requiredPeriod_months=120
requiredPeriod_years=10
ageRange_max=
ageRange_min=
restrictions=
exemptionTypes=
[item.voluntary-enrollment]
code=5
slug=voluntary-enrollment
name=任意加入制度
description=60歳以上の方が国民年金に加入し、年金額を増やすことができる制度です。
benefitStartAge=
category=加入制度
fullBenefitAmount_annual=
fullBenefitAmount_currency=
fullBenefitAmount_monthly=
premium2025_currency=
premium2025_monthly=
qualifyingPeriod_months=
qualifyingPeriod_years=
earlyReceipt_available=
earlyReceipt_minAge=
earlyReceipt_reduction=
premiumRate2025_rate=
premiumRate2025_split=
premiumRate2025_unit=
standardRemunerationLimits_bonus=
standardRemunerationLimits_currency=
standardRemunerationLimits_monthly=
categories=
previousRequirement_months=
previousRequirement_years=
reformDate=
requiredPeriod_months=
requiredPeriod_years=
ageRange_max=70
ageRange_min=60
restrictions=["老齢基礎年金の繰上げ支給受給者は不可","40年(480ヶ月)納付済みの方は不可"]
exemptionTypes=
[item.exemption-deferment]
code=6
slug=exemption-deferment
name=免除・猶予制度
description=保険料の納付が困難な場合に、全額免除・半額免除・猶予を受けられる制度です。
benefitStartAge=
category=保険料支援
fullBenefitAmount_annual=
fullBenefitAmount_currency=
fullBenefitAmount_monthly=
premium2025_currency=
premium2025_monthly=
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standardRemunerationLimits_monthly=
categories=
previousRequirement_months=
previousRequirement_years=
reformDate=
requiredPeriod_months=
requiredPeriod_years=
ageRange_max=
ageRange_min=
restrictions=
exemptionTypes=[{"type":"全額免除","pensionCalculation":"2/3"},{"type":"四分之三免除","pensionCalculation":"4/5"},{"type":"半額免除","pensionCalculation":"3/4"},{"type":"四分之一免除","pensionCalculation":"7/8"}]