Iran vs Japan: Share of global CO₂ emissions and population

Iran

0.8%

in 2100

Japan

0.8%

in 2100

Iran rank

30th

Japan rank

32nd

Share of global CO₂ emissions and population over time

Iran currently reports 0.8% against 0.8% in Japan, a difference of 0.0%.

The two have swapped places 1 time across 318 shared years of data; in 1000 it was Japan ahead.

Iran ranks 30th and Japan ranks 32nd of 234 countries.

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.