New Zealand vs Norfolk Island: Red List Index
New Zealand
0.63 index
in 2025
Norfolk Island
0.62 index
in 2025
New Zealand rank
233rd
Norfolk Island rank
234th
Red List Index over time
- New Zealand
- Norfolk Island
How they compare
New Zealand currently reports 0.63 index against 0.62 index in Norfolk Island, a difference of 0.01 index.
Across all 46 years both countries report, New Zealand has been ahead every year.
New Zealand ranks 233rd and Norfolk Island ranks 234th of 247 countries.
New Zealand has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | New Zealand | Norfolk Island | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 0.764 index | 0.65 index | 0.114 index | New Zealand |
| 1990s | 0.725 index | 0.65 index | 0.075 index | New Zealand |
| 2000s | 0.693 index | 0.647 index | 0.046 index | New Zealand |
| 2010s | 0.668 index | 0.633 index | 0.035 index | New Zealand |
| 2020s | 0.6417 index | 0.62 index | 0.0217 index | New Zealand |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher red list index, New Zealand or Norfolk Island?
- New Zealand, at 0.63 index against 0.62 index in Norfolk Island as of 2025.
- What is the difference in red list index between New Zealand and Norfolk Island?
- 0.01 index, with New Zealand ahead.
- How many years of comparable data are there for New Zealand and Norfolk Island?
- 46 years are reported by both, from 1980 to 2025.
- How do New Zealand and Norfolk Island rank globally for red list index?
- New Zealand ranks 233rd and Norfolk Island ranks 234th of 247 countries.
- Where does this data come from?
- BirdLife International and IUCN – processed by Our World in Data, published as Red List Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Red List Index.