Which has higher red list index, Christmas Island or Mauritius?

Mauritius, at 0.46 index against 0.42 index in Christmas Island as of 2025.

What is the difference in red list index between Christmas Island and Mauritius?

0.04 index, with Mauritius ahead.

How many years of comparable data are there for Christmas Island and Mauritius?

46 years are reported by both, from 1980 to 2025.

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.

Christmas Island vs Mauritius: Red List Index (BirdLife International)

Christmas Island

0.42 index

in 2025

Mauritius

0.46 index

in 2025

Christmas Island rank

245th

Mauritius rank

244th

Red List Index (BirdLife International) over time

Christmas Island
Mauritius

How they compare

Mauritius currently reports 0.46 index against 0.42 index in Christmas Island, a difference of 0.04 index.

That makes Mauritius's figure about 1.1 times Christmas Island's.

The two have swapped places 1 time across 46 shared years of data; in 1980 it was Christmas Island ahead.

Christmas Island ranks 245th and Mauritius ranks 244th of 247 countries.

Across the 5 decades both report, Christmas Island averaged higher in 4 and Mauritius in 1.

Head to head by decade

Decade	Christmas Island	Mauritius	Difference	Ahead
1980s	0.736 index	0.516 index	0.22 index	Christmas Island
1990s	0.668 index	0.525 index	0.143 index	Christmas Island
2000s	0.613 index	0.523 index	0.09 index	Christmas Island
2010s	0.534 index	0.502 index	0.032 index	Christmas Island
2020s	0.445 index	0.47 index	0.025 index	Mauritius

Averages of every year both report within each decade.

Frequently asked questions

Which has higher red list index, Christmas Island or Mauritius?: Mauritius, at 0.46 index against 0.42 index in Christmas Island as of 2025.
What is the difference in red list index between Christmas Island and Mauritius?: 0.04 index, with Mauritius ahead.
How many years of comparable data are there for Christmas Island and Mauritius?: 46 years are reported by both, from 1980 to 2025.
How do Christmas Island and Mauritius rank globally for red list index?: Christmas Island ranks 245th and Mauritius ranks 244th 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

Share, cite or embed this page

Cite this page

Christmas Island vs Mauritius: Red List Index. Statizoid, drawing on BirdLife International and IUCN – processed by Our World in Data. Retrieved 07 November 2026, from https://reference.statizoid.com/compare/red-list-index/christmas-island/mauritius/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://reference.statizoid.com/compare/red-list-index/christmas-island/mauritius/">Christmas Island vs Mauritius: Red List Index</a> — Statizoid

About this data

Indicator: Red List Index
Unit: index
Source: BirdLife International and IUCN – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 247 places, 11,362 data points, 1980–2025
Last refreshed: 30 October 2026

Red List Index.