Australia vs New Zealand: Political centralization index
Australia
0.01
in 2025
New Zealand
0.02
in 2025
Australia rank
176th
New Zealand rank
173rd
Political centralization index over time
- Australia
- New Zealand
How they compare
New Zealand currently reports 0.02 against 0.01 in Australia, a difference of 0.01.
That makes New Zealand's figure about 2.0 times Australia's.
The two have swapped places 2 times across 185 shared years of data; in 1841 it was New Zealand ahead.
Australia ranks 176th and New Zealand ranks 173rd of 176 countries.
Across the 19 decades both report, Australia averaged higher in 1 and New Zealand in 18.
Head to head by decade
| Decade | Australia | New Zealand | Difference | Ahead |
|---|---|---|---|---|
| 1840s | 0.2 | 0.214 | 0.014 | New Zealand |
| 1850s | 0.14 | 0.1237 | 0.0163 | Australia |
| 1860s | 0.05 | 0.085 | 0.035 | New Zealand |
| 1870s | 0.05 | 0.085 | 0.035 | New Zealand |
| 1880s | 0.05 | 0.0849 | 0.0349 | New Zealand |
| 1890s | 0.05 | 0.084 | 0.034 | New Zealand |
| 1900s | 0.0353 | 0.083 | 0.0477 | New Zealand |
| 1910s | 0.03 | 0.083 | 0.053 | New Zealand |
| 1920s | 0.0324 | 0.083 | 0.0506 | New Zealand |
| 1930s | 0.0346 | 0.08 | 0.0454 | New Zealand |
| 1940s | 0.0391 | 0.077 | 0.0379 | New Zealand |
| 1950s | 0.016 | 0.077 | 0.061 | New Zealand |
| 1960s | 0.016 | 0.0644 | 0.0484 | New Zealand |
| 1970s | 0.016 | 0.061 | 0.045 | New Zealand |
| 1980s | 0.0112 | 0.0438 | 0.0326 | New Zealand |
| 1990s | 0.01 | 0.0235 | 0.0135 | New Zealand |
| 2000s | 0.0098 | 0.021 | 0.0112 | New Zealand |
| 2010s | 0.0114 | 0.02 | 0.0086 | New Zealand |
| 2020s | 0.01 | 0.0195 | 0.0095 | New Zealand |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher political centralization index, Australia or New Zealand?
- New Zealand, at 0.02 against 0.01 in Australia as of 2025.
- What is the difference in political centralization index between Australia and New Zealand?
- 0.01, with New Zealand ahead.
- How many years of comparable data are there for Australia and New Zealand?
- 185 years are reported by both, from 1841 to 2025.
- How do Australia and New Zealand rank globally for political centralization index?
- Australia ranks 176th and New Zealand ranks 173rd of 176 countries.
- Where does this data come from?
- Our World in Data, published as Political centralization index. Statizoid refreshes it automatically from the source and publishes the full history for both places.