Red List Index in Tonga
Tonga: Red List Index was 0.72 index in 2024. ▼ Falling
Latest (2024)
0.72 index
Change on year
unchanged
World rank
202nd
of 244 countries
All-time high
0.77 index
in 1993
All-time low
0.72 index
in 2022
Years of data
32
1993–2024
Red List Index in Tonga, 1993–2024
Source: BirdLife International and IUCN – processed by Our World in Data. Measured in index.
Analysis
In 2024, red list index in Tonga stood at 0.72 index. That is the lowest value across all 32 years on record.
The figure is down 2.7% over ten years.
Over the whole period, red list index in Tonga peaked at 0.77 index in 1993 and was at its lowest, 0.72 index, in 2022.
Tonga ranks 202nd of 244 countries on this measure, in the bottom quarter.
The long-run direction has been consistently falling across the 32 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.7657 index | 0.76 index | 0.77 index | 7 |
| 2000s | 0.756 index | 0.75 index | 0.76 index | 10 |
| 2010s | 0.739 index | 0.73 index | 0.75 index | 10 |
| 2020s | 0.724 index | 0.72 index | 0.73 index | 5 |
Countries ranked near Tonga
More reference data data for Tonga
- Universal right to vote in practice 2 (2025)
- Competitive elections 1 (2025)
- Free country 2 (2025)
- Civil liberties rating 2 (2025)
- Men's universal right to vote 1 (2025)
- Elected parliament 1 (2025)
- Democracy 7 (2025)
- Consumer price index 174.32 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Chief executive of the government is elected 1 (2025)
Frequently asked questions
- What is red list index in Tonga?
- Red list index in Tonga was 0.72 index in 2024, according to BirdLife International and IUCN – processed by Our World in Data.
- What is the highest red list index recorded in Tonga?
- The highest recorded value was 0.77 index in 1993.
- What is the lowest red list index recorded in Tonga?
- The lowest recorded value was 0.72 index in 2022.
- How does Tonga rank for red list index?
- Tonga ranks 202nd out of 244 countries with data for 2024.
- Is red list index rising or falling in Tonga?
- Over the last ten years it is down 2.7%. The long-run trend across the full record is falling.
- Where does this Tonga data come from?
- The figures come from BirdLife International and IUCN – processed by Our World in Data, published as part of Red List Index. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 32 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Red List Index