All natural resources

coal

40 countries have it in the ground.

Country
Afghanistan
Albania
Australia
Austria
Bangladesh
Bosnia and Herzegovina
Bulgaria
Colombia
Eswatini
Germany
Hungary
India
Iran
Italy
Kazakhstan
Madagascar
Malawi
Mongolia
Mozambique
New Zealand
Niger
Nigeria
North Korea
People's Republic of China
Poland
Romania
Russia
Serbia
South Africa
South Korea
Spain
Tanzania
Turkey
Ukraine
United Kingdom
United States
Uzbekistan
Vietnam
Zambia
Zimbabwe