Which has higher legislative checks on government index, Italy or Japan?

Italy, at 0.905 against 0.901 in Japan as of 2025.

How many years of comparable data are there for Italy and Japan?

158 years are reported by both, from 1868 to 2025.

Where does this data come from?

V-Dem (2026) – processed by Our World in Data, published as Legislative Checks on Government Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Italy vs Japan: Legislative Checks on Government Index

Italy

0.905

in 2025

Japan

0.901

in 2025

Italy rank

25th

Japan rank

27th

Legislative Checks on Government Index over time

Italy
Japan

How they compare

Italy currently reports 0.905 against 0.901 in Japan, a difference of 0.004.

The two have swapped places 10 times across 158 shared years of data; in 1868 it was Italy ahead.

Italy ranks 25th and Japan ranks 27th of 174 countries.

Across the 17 decades both report, Italy averaged higher in 11 and Japan in 6.

Head to head by decade

Decade	Italy	Japan	Difference	Ahead
1860s	0.547	0.133	0.414	Italy
1870s	0.547	0.133	0.414	Italy
1880s	0.547	0.1299	0.4171	Italy
1890s	0.547	0.5244	0.0226	Italy
1900s	0.6128	0.54	0.0728	Italy
1910s	0.5812	0.5833	0.0021	Japan
1920s	0.2318	0.593	0.3612	Japan
1930s	0.018	0.5719	0.5539	Japan
1940s	0.4088	0.6518	0.243	Japan
1950s	0.902	0.923	0.021	Japan
1960s	0.902	0.923	0.021	Japan
1970s	0.902	0.901	0.001	Italy
1980s	0.902	0.901	0.001	Italy
1990s	0.923	0.9094	0.0136	Italy
2000s	0.9332	0.932	0.0012	Italy
2010s	0.952	0.932	0.02	Italy
2020s	0.945	0.901	0.044	Italy

Averages of every year both report within each decade.

Frequently asked questions

Which has higher legislative checks on government index, Italy or Japan?: Italy, at 0.905 against 0.901 in Japan as of 2025.
What is the difference in legislative checks on government index between Italy and Japan?: 0.004, with Italy ahead.
How many years of comparable data are there for Italy and Japan?: 158 years are reported by both, from 1868 to 2025.
How do Italy and Japan rank globally for legislative checks on government index?: Italy ranks 25th and Japan ranks 27th of 174 countries.
Where does this data come from?: V-Dem (2026) – processed by Our World in Data, published as Legislative Checks on Government Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Legislative Checks on Government Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 174 places, 23,601 data points, 1789–2025
Last refreshed: 07 August 2026

Central estimate of the extent to which the legislature, including opposition parties, questions executive officials and oversees and investigates the executive.