Structured Lists Directory

INI

National Pension and Employee Pension Insurance - INI

Japan's public pension system consists of a two-tier structure: the National Pension (basic pension) and the Employees' Pension Insurance. All residents aged 20-59 must enroll in the National Pension, while company employees and public servants additionally join the Employees' Pension Insurance. For fiscal year 2025, the National Pension premium is 17,510 yen per month, and the Employees' Pension Insurance rate is 18.3% (split equally between employer and employee). Following legal reforms in August 2017, the qualifying period for benefits was reduced from 25 years to 10 years, making pensions accessible to more people.

National Pension Employee Pension Insurance public pension social security old-age pension Japan Pension Service MHLW 
[item.national-pension]
code=1
slug=national-pension
name=National Pension (Basic Pension)
description=Public pension system mandatory for all residents aged 20-59 in Japan.
benefitStartAge=65
category=Basic Pension
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=Employee Pension Insurance
description=Public pension system for company employees and public servants, added on top of National Pension.
benefitStartAge=65
category=Earnings-related Pension
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=Insured Person Categories
description=National Pension insured persons are categorized into Category 1, 2, and 3.
benefitStartAge=
category=System Structure
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=[{"code":"1","name":"Category 1 Insured Person","examples":["自営業者","学生","無職者","パートタイム労働者"]},{"code":"2","name":"Category 2 Insured Person","examples":["会社員","公務員"]},{"code":"3","name":"Category 3 Insured Person","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=Qualifying Period
description=A qualifying period of 10+ years of premium payment is required to receive pension benefits.
benefitStartAge=
category=Benefit Conditions
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=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=Voluntary Enrollment System
description=System allowing persons aged 60+ to join National Pension and increase their pension amount.
benefitStartAge=
category=Enrollment System
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=Exemption and Deferment System
description=System allowing full exemption, half exemption, or deferment when premium payment is difficult.
benefitStartAge=
category=Premium Support
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=
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"}]