How many years of comparable data are there for Australia and New Zealand?

173 years are reported by both, from 1853 to 2025.

Where does this data come from?

Statizoid (derived), published as Key features of liberal democracy, gaps filled. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Australia vs New Zealand: Key features of liberal democracy, gaps filled

Australia

0.793

in 2025

New Zealand

0.787

in 2025

Australia rank

12th

New Zealand rank

14th

Key features of liberal democracy, gaps filled over time

Australia
New Zealand

How they compare

Australia currently reports 0.793 against 0.787 in New Zealand, a difference of 0.006.

The two have swapped places 13 times across 173 shared years of data; in 1853 it was New Zealand ahead.

Australia ranks 12th and New Zealand ranks 14th of 176 countries.

Across the 18 decades both report, Australia averaged higher in 13 and New Zealand in 5.

Head to head by decade

Decade	Australia	New Zealand	Difference	Ahead
1850s	0.3819	0.3736	0.0083	Australia
1860s	0.5086	0.4411	0.0675	Australia
1870s	0.5085	0.4585	0.05	Australia
1880s	0.5085	0.5003	0.0082	Australia
1890s	0.5067	0.6197	0.113	New Zealand
1900s	0.6712	0.6962	0.025	New Zealand
1910s	0.6788	0.6831	0.0043	New Zealand
1920s	0.7198	0.707	0.0128	Australia
1930s	0.7189	0.7025	0.0164	Australia
1940s	0.7072	0.6883	0.0189	Australia
1950s	0.7639	0.699	0.0649	Australia
1960s	0.7835	0.7473	0.0362	Australia
1970s	0.8122	0.7712	0.041	Australia
1980s	0.8395	0.7904	0.0491	Australia
1990s	0.8471	0.8161	0.031	Australia
2000s	0.8418	0.8262	0.0156	Australia
2010s	0.8289	0.8321	0.0032	New Zealand
2020s	0.7923	0.8138	0.0215	New Zealand

Averages of every year both report within each decade.

Frequently asked questions

Which has higher key features of liberal democracy, gaps filled, Australia or New Zealand?: Australia, at 0.793 against 0.787 in New Zealand as of 2025.
What is the difference in key features of liberal democracy, gaps filled between Australia and New Zealand?: 0.006, with Australia ahead.
How many years of comparable data are there for Australia and New Zealand?: 173 years are reported by both, from 1853 to 2025.
How do Australia and New Zealand rank globally for key features of liberal democracy, gaps filled?: Australia ranks 12th and New Zealand ranks 14th of 176 countries.
Where does this data come from?: Statizoid (derived), published as Key features of liberal democracy, gaps filled. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Australia vs New Zealand: Key features of liberal democracy, gaps filled. Statizoid, drawing on Statizoid (derived). Retrieved 03 September 2026, from https://social-development.statizoid.com/compare/key-features-of-liberal-democracy-gaps-filled/australia/new-zealand/

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About this data

Indicator: Key features of liberal democracy, gaps filled
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 176 places, 28,729 data points, 1789–2025
Last refreshed: 21 August 2026

Key features of liberal democracy with 58 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.