Japan

House of Representatives House of Councillors

House of Representatives

Political system: Parliamentary system
Structure of parliament: Bicameral
IPU membership: Yes

Data on youth

Data on youth representation and age of parliamentarians, as well as mechanisms and structures that encourage or enhance the participation of young people in national parliaments.

Eligibility and voting

Minimum age of eligibility: 25
Minimum age for voting in parliamentary elections: 18

Reserved seats and quotas

Youth quota: No
There are reserved seats in parliament for certain groups: No

Representation at the start of the current legislature

Data on the age of parliamentarians is collected at the start of the legislature, following the most recent elections. This data is not updated during the legislature, except when parliament notifies the IPU of a change in the youngest or oldest member.

Representation in Parliament

Number of members, by age (2021-11)

Breakdown of members by age and gender
	18 - 20	21 - 30	31 - 40	41 - 45	46 - 50	51 - 60	61 - 70	71 - 80	81 - 90	91 and over	Totals per gender
Male	0	1	24	47	72	143	94	37	2	0	420
Female	0	0	3	5	6	17	13	1	0	0	45
Totals per age interval	0	1	27	52	78	160	107	38	2	0	465
	Total <= 45: 80				Total >= 46: 385

Percentage of members, by age
Age at the last election or renewal	Overall	Male	Female
Percentage of MPs 30 years of age or younger	0.2%	0.2%	0.0%
Percentage of MPs 40 years of age or younger	6.0%	5%	0.6%
Percentage of MPs 45 years of age or younger	17.2%	15%	1.7%