Japan vs Portugal: Distribution of Democracy Index

Japan
20
in 2018
Portugal
20
in 2018
Japan rank
1st
Portugal rank
1st

Distribution of Democracy Index over time

  • Japan
  • Portugal
05101520180019092018

How they compare

Japan currently reports 20 against 20 in Portugal, a difference of 0.

The two have swapped places 4 times across 198 shared years of data; in 1800 it was Portugal ahead.

Japan ranks 1st and Portugal ranks 1st of 168 countries.

Across the 21 decades both report, Japan averaged higher in 11 and Portugal in 6.

Head to head by decade

Decade Japan Portugal Difference Ahead
1800s 0 0 0 —
1820s 0 7 7 Portugal
1830s 0 8.3 8.3 Portugal
1840s 0 7 7 Portugal
1850s 0.3 5 4.7 Portugal
1860s 7.4 3 4.4 Japan
1870s 11 3 8 Japan
1880s 11 5 6 Japan
1890s 11 6 5 Japan
1900s 11 7.6 3.4 Japan
1910s 11 16.8 5.8 Portugal
1920s 11 13.8 2.8 Portugal
1930s 11 1 10 Japan
1940s 11 1 10 Japan
1950s 20 1 19 Japan
1960s 20 1 19 Japan
1970s 20 10 10 Japan
1980s 20 19.8 0.2 Japan
1990s 20 20 0 —
2000s 20 20 0 —
2010s 20 20 0 —

Averages of every year both report within each decade.

Frequently asked questions

Which has higher distribution of democracy index, Japan or Portugal?
Japan, at 20 against 20 in Portugal as of 2018.
What is the difference in distribution of democracy index between Japan and Portugal?
0, with Japan ahead.
How many years of comparable data are there for Japan and Portugal?
198 years are reported by both, from 1800 to 2018.
How do Japan and Portugal rank globally for distribution of democracy index?
Japan ranks 1st and Portugal ranks 1st of 168 countries.
Where does this data come from?
Polity 5 (2020) – processed by Our World in Data, published as Distribution of Democracy Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs Portugal: Distribution of Democracy Index. Statizoid, drawing on Polity 5 (2020) – processed by Our World in Data. Retrieved 08 November 2026, from https://social-development.statizoid.com/compare/distribution-democracy-index-polity/japan/portugal/

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About this data

Indicator
Distribution of Democracy Index
Source
Polity 5 (2020) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
168 places, 18,366 data points, 1800–2018
Last refreshed

It combines information on the extent to which open, multi-party, and competitive elections choose a chief executive who faces comprehensive institutional constraints, and political participation is competitive. It ranges from 0 to 20 (fully democratic).