Spain vs Tanzania: Red List Index
Spain
0.8 index
in 2025
Tanzania
0.8 index
in 2025
Spain rank
167th
Tanzania rank
167th
Red List Index over time
- Spain
- Tanzania
How they compare
Spain currently reports 0.8 index against 0.8 index in Tanzania, a difference of 0 index.
The two have swapped places 1 time across 46 shared years of data; in 1980 it was Spain ahead.
Spain ranks 167th and Tanzania ranks 167th of 247 countries.
Across the 5 decades both report, Spain averaged higher in 2 and Tanzania in 2.
Head to head by decade
| Decade | Spain | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 0.864 index | 0.85 index | 0.014 index | Spain |
| 1990s | 0.868 index | 0.85 index | 0.018 index | Spain |
| 2000s | 0.84 index | 0.84 index | 0 index | — |
| 2010s | 0.813 index | 0.826 index | 0.013 index | Tanzania |
| 2020s | 0.8 index | 0.8067 index | 0.0067 index | Tanzania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher red list index, Spain or Tanzania?
- Spain, at 0.8 index against 0.8 index in Tanzania as of 2025.
- What is the difference in red list index between Spain and Tanzania?
- 0 index, with Spain ahead.
- How many years of comparable data are there for Spain and Tanzania?
- 46 years are reported by both, from 1980 to 2025.
- How do Spain and Tanzania rank globally for red list index?
- Spain ranks 167th and Tanzania ranks 167th 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.