Government of Japan

Statistics report on the government of Japan

This report presents insights and statistics on the government of Japan, including an overview of the legislative, executive, and judiciary organs. It also provides information on political parties, public employees, electors, as well as public opinion on politics in Japan.

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Table of contents

Overview

6
  • Premium Statistic Total tax revenue and expenditure of the general account Japan FY 1990-2026
  • Premium Statistic Fiscal balance as a share of GDP Japan 2007-2023
  • Premium Statistic General account expenditure budget Japan FY 2025, by agency
  • Premium Statistic Number of courts Japan 2025, by type
  • Premium Statistic Fixed number of judges Japan FY 2025, by position
  • Premium Statistic Corruption perceptions index (CPI) in Japan 2015-2024

Legislative branch

5
  • Premium Statistic Number of members in the House of Representatives Japan 1996-2024, by gender
  • Premium Statistic Number of members of the House of Representatives Japan 2025, by party and gender
  • Premium Statistic Number of members in the House of Councillors Japan 1998-2025, by gender
  • Premium Statistic Number of members of the House of Councillors Japan 2025, by party and gender
  • Premium Statistic Number of new members of the House of Councillors Japan 1995-2025, by gender

Executive branch

5
  • Premium Statistic Term lengths of prime ministers elected since the Heisei era Japan 2026
  • Premium Statistic Longest-serving prime ministers in history Japan 2025
  • Premium Statistic Longest-serving prime ministers elected since the Heisei era Japan 2025
  • Premium Statistic Shortest-serving prime ministers elected since the Heisei era Japan 2025
  • Premium Statistic Number of cabinet members Japan 2024, by position and gender

Political organizations

4
  • Premium Statistic Expenditures of political organizations Japan 2014-2023
  • Premium Statistic Expenditures of political organizations Japan 2023, by type
  • Premium Statistic Revenue of political organizations Japan 2014-2023
  • Premium Statistic Revenue of political organizations Japan 2023, by type

Political parties

4
  • Premium Statistic Expenditures of political parties Japan 2023, by organization
  • Premium Statistic Revenue of political parties Japan 2023, by organization
  • Premium Statistic Number of executives of political parties Japan 2024, by organization and gender
  • Premium Statistic Number of members of political parties Japan 2024, by organization

Public employees

4
  • Premium Statistic Number of national public employees at ministries and agencies Japan 2016-2024
  • Premium Statistic Number of national public employees Japan 2024, by ministry and agency
  • Premium Statistic Number of local government employees Japan 2015-2024
  • Premium Statistic Share of local government employees Japan 2024, by sector

Electors

4
  • Premium Statistic Number of eligible voters in the lower house elections Japan 2009-2024, by gender
  • Premium Statistic Voting rate at the House of Representatives elections Japan 1946-2024
  • Premium Statistic Number of eligible voters in the upper house elections Japan 2007-2025, by gender
  • Premium Statistic Voting rate at the House of Councillors elections Japan 1947-2025

Public opinion

3
  • Premium Statistic Monthly cabinet approval rate Japan 2019-2026
  • Premium Statistic Political party preference Japan 2025
  • Premium Statistic Opinions on whether government policies reflect people's views Japan 2024-2025

Female representation

4
  • Premium Statistic Share of female leaders in politics Japan 2016-2024, by type
  • Premium Statistic Share of elected female prefectural assembly members Japan 2024, by prefecture
  • Premium Statistic Share of female leaders in public administration Japan 2024, by type
  • Premium Statistic Share of female leaders in the justice system Japan 2024, by type
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