What is the difference in coal reserves between Mongolia and Nigeria?

376.00 million tonnes, with Mongolia ahead.

How many years of comparable data are there for Mongolia and Nigeria?

16 years are reported by both, from 2008 to 2023.

Where does this data come from?

U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as Coal reserves. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Mongolia vs Nigeria: Coal reserves

Mongolia

2.52 billion tonnes

in 2023

Nigeria

2.14 billion tonnes

in 2023

Mongolia rank

30th

Nigeria rank

33rd

Coal reserves over time

Mongolia
Nigeria

How they compare

Mongolia currently reports 2.52 billion tonnes against 2.14 billion tonnes in Nigeria, a difference of 376.00 million tonnes.

That makes Mongolia's figure about 1.2 times Nigeria's.

Across all 16 years both countries report, Mongolia has been ahead every year.

Mongolia ranks 30th and Nigeria ranks 33rd of 216 countries.

Mongolia has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Mongolia	Nigeria	Difference	Ahead
2000s	2.52 billion tonnes	355.00 million tonnes	2.17 billion tonnes	Mongolia
2010s	2.52 billion tonnes	1.43 billion tonnes	1.09 billion tonnes	Mongolia
2020s	2.52 billion tonnes	2.14 billion tonnes	376.00 million tonnes	Mongolia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher coal reserves, Mongolia or Nigeria?: Mongolia, at 2.52 billion tonnes against 2.14 billion tonnes in Nigeria as of 2023.
What is the difference in coal reserves between Mongolia and Nigeria?: 376.00 million tonnes, with Mongolia ahead.
How many years of comparable data are there for Mongolia and Nigeria?: 16 years are reported by both, from 2008 to 2023.
How do Mongolia and Nigeria rank globally for coal reserves?: Mongolia ranks 30th and Nigeria ranks 33rd of 216 countries.
Where does this data come from?: U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as Coal reserves. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Coal reserves
Unit: tonnes
Source: U.S. Energy Information Administration (2026) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 216 places, 3,421 data points, 2008–2023
Last refreshed: 07 August 2026

Proved reserves, measured in tonnes, are generally those quantities that can be recovered in the future from known reservoirs under existing economic and operating conditions, according to geological and engineering information.