How many years of comparable data are there for Reunion and Western Sahara?

178 years are reported by both, from 1500 to 2100.

Where does this data come from?

HYDE (2023); Gapminder (2022); UN WPP (2024) – with major processing by Our World in Data, published as Share of global CO₂ emissions and population. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Reunion vs Western Sahara: Share of global CO₂ emissions and population

Reunion

0.0%

in 2100

Western Sahara

0.0%

in 2100

Reunion rank

164th

Western Sahara rank

165th

Share of global CO₂ emissions and population over time

Reunion
Western Sahara

How they compare

Reunion currently reports 0.0% against 0.0% in Western Sahara, a difference of 0.0%.

The two have swapped places 2 times across 178 shared years of data; in 1500 it was Reunion ahead.

Reunion ranks 164th and Western Sahara ranks 165th of 234 countries.

Across the 43 decades both report, Reunion averaged higher in 41 and Western Sahara in 2.

Head to head by decade

Decade	Reunion	Western Sahara	Difference	Ahead
1500s	0.0%	0.0%	0.0%	Reunion
1600s	0.0%	0.0%	0.0%	Western Sahara
1700s	0.0%	0.0%	0.0%	Western Sahara
1710s	0.0%	0.0%	0.0%	Reunion
1720s	0.0%	0.0%	0.0%	Reunion
1730s	0.0%	0.0%	0.0%	Reunion
1740s	0.0%	0.0%	0.0%	Reunion
1750s	0.0%	0.0%	0.0%	Reunion
1760s	0.0%	0.0%	0.0%	Reunion
1770s	0.0%	0.0%	0.0%	Reunion
1780s	0.0%	0.0%	0.0%	Reunion
1790s	0.0%	0.0%	0.0%	Reunion
1800s	0.0%	0.0%	0.0%	Reunion
1810s	0.0%	0.0%	0.0%	Reunion
1820s	0.0%	0.0%	0.0%	Reunion
1830s	0.0%	0.0%	0.0%	Reunion
1840s	0.0%	0.0%	0.0%	Reunion
1850s	0.0%	0.0%	0.0%	Reunion
1860s	0.0%	0.0%	0.0%	Reunion
1870s	0.0%	0.0%	0.0%	Reunion
1880s	0.0%	0.0%	0.0%	Reunion
1890s	0.0%	0.0%	0.0%	Reunion
1900s	0.0%	0.0%	0.0%	Reunion
1910s	0.0%	0.0%	0.0%	Reunion
1920s	0.0%	0.0%	0.0%	Reunion
1930s	0.0%	0.0%	0.0%	Reunion
1940s	0.0%	0.0%	0.0%	Reunion
1950s	0.0%	0.0%	0.0%	Reunion
1960s	0.0%	0.0%	0.0%	Reunion
1970s	0.0%	0.0%	0.0%	Reunion
1980s	0.0%	0.0%	0.0%	Reunion
1990s	0.0%	0.0%	0.0%	Reunion
2000s	0.0%	0.0%	0.0%	Reunion
2010s	0.0%	0.0%	0.0%	Reunion
2020s	0.0%	0.0%	0.0%	Reunion
2030s	0.0%	0.0%	0.0%	Reunion
2040s	0.0%	0.0%	0.0%	Reunion
2050s	0.0%	0.0%	0.0%	Reunion
2060s	0.0%	0.0%	0.0%	Reunion
2070s	0.0%	0.0%	0.0%	Reunion
2080s	0.0%	0.0%	0.0%	Reunion
2090s	0.0%	0.0%	0.0%	Reunion
2100s	0.0%	0.0%	0.0%	Reunion

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of global co₂ emissions and population, Reunion or Western Sahara?: Reunion, at 0.0% against 0.0% in Western Sahara as of 2100.
What is the difference in share of global co₂ emissions and population between Reunion and Western Sahara?: 0.0%, with Reunion ahead.
How many years of comparable data are there for Reunion and Western Sahara?: 178 years are reported by both, from 1500 to 2100.
How do Reunion and Western Sahara rank globally for share of global co₂ emissions and population?: Reunion ranks 164th and Western Sahara ranks 165th of 234 countries.
Where does this data come from?: HYDE (2023); Gapminder (2022); UN WPP (2024) – with major processing by Our World in Data, published as Share of global CO₂ emissions and population. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Share of global CO₂ emissions and population
Unit: %
Source: HYDE (2023); Gapminder (2022); UN WPP (2024) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 239 places, 69,170 data points, 1000–2100
Last refreshed: 07 August 2026

Share of the world's population by country, available from 10,000 BCE to 2100, based on data and estimates from different sources.