Surface area is a country's total area, including areas under inland bodies of water and some coastal waterways.
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ecuador | 2,83,560 | 2,83,560 | 2,56,370 | 2,56,370 | 2,56,370 | 2,56,370 | 2,56,370 | 2,56,370 | 2,56,370 | 2,56,370 | 2,56,370 | 2,56,370 | 2,56,370 | 2,56,370 | 2,56,370 | 2,56,370 | 2,56,370 |
| Venezuela (Bolivarian Republic of) | 9,12,050 | 9,12,050 | 9,12,050 | 9,12,050 | 9,12,050 | 9,12,050 | 9,12,050 | 9,12,050 | 9,12,050 | 9,12,050 | 9,12,050 | 9,12,050 | 9,12,050 | 9,12,050 | 9,12,050 | 9,12,050 | 9,12,050 |
| Algeria | 23,81,740 | 23,81,740 | 23,81,740 | 23,81,740 | 23,81,740 | 23,81,740 | 23,81,740 | 23,81,740 | 23,81,740 | 23,81,741 | 23,81,741 | 23,81,741 | 23,81,741 | 23,81,741 | 23,81,741 | 23,81,741 | 23,81,741 |
| Iran | 17,45,150 | 17,45,150 | 17,45,150 | 17,45,150 | 17,45,150 | 17,45,150 | 17,45,150 | 17,45,150 | 17,45,150 | 17,45,150 | 17,45,150 | 17,45,150 | 17,45,150 | 17,45,150 | 17,45,150 | 17,45,150 | 17,45,150 |
| Iraq | 4,38,320 | 4,38,320 | 4,38,320 | 4,38,320 | 4,35,240 | 4,35,240 | 4,35,240 | 4,35,052 | 4,35,052 | 4,35,052 | 4,35,052 | 4,35,052 | 4,35,052 | 4,35,052 | 4,35,052 | 4,35,050 | 4,35,050 |
| Kuwait | 17,820 | 17,820 | 17,820 | 17,820 | 17,820 | 17,820 | 17,820 | 17,820 | 17,820 | 17,820 | 17,820 | 17,820 | 17,820 | 17,820 | 17,820 | 17,820 | 17,820 |
| Libya | 17,59,540 | 17,59,540 | 17,59,540 | 17,59,540 | 17,59,540 | 17,59,540 | 17,59,540 | 17,59,540 | 17,59,540 | 17,59,540 | 17,59,540 | 17,59,540 | 17,59,540 | 17,59,540 | 17,59,540 | 17,59,540 | 17,59,540 |
| Qatar | 11,610 | 11,610 | 11,610 | 11,610 | 11,610 | 11,610 | 11,610 | 11,610 | 11,490 | 11,490 | 11,490 | 11,490 | 11,490 | 11,490 | 11,490 | 11,490 | 11,490 |
| Saudi Arabia | 21,49,690 | 21,49,690 | 21,49,690 | 21,49,690 | 21,49,690 | 21,49,690 | 21,49,690 | 21,49,690 | 21,49,690 | 21,49,690 | 21,49,690 | 21,49,690 | 21,49,690 | 21,49,690 | 21,49,690 | 21,49,690 | 21,49,690 |
| United Arab Emirates | 98,648 | 98,648 | 98,648 | 98,648 | 98,648 | 98,648 | 98,648 | 98,648 | 98,648 | 98,648 | 98,648 | 98,648 | 98,648 | 98,648 | 98,648 | 98,648 | 98,648 |
| Angola | 12,46,700 | 12,46,700 | 12,46,700 | 12,46,700 | 12,46,700 | 12,46,700 | 12,46,700 | 12,46,700 | 12,46,700 | 12,46,700 | 12,46,700 | 12,46,700 | 12,46,700 | 12,46,700 | 12,46,700 | 12,46,700 | 12,46,700 |
| Congo | 3,42,000 | 3,42,000 | 3,42,000 | 3,42,000 | 3,42,000 | 3,42,000 | 3,42,000 | 3,42,000 | 3,42,000 | 3,42,000 | 3,42,000 | 3,42,000 | 3,42,000 | 3,42,000 | 3,42,000 | 3,42,000 | 3,42,000 |
| Equatorial Guinea | 28,050 | 28,050 | 28,050 | 28,050 | 28,050 | 28,050 | 28,050 | 28,050 | 28,050 | 28,050 | 28,050 | 28,050 | 28,050 | 28,050 | 28,050 | 28,050 | 28,050 |
| Gabon | 2,67,670 | 2,67,670 | 2,67,670 | 2,67,670 | 2,67,670 | 2,67,670 | 2,67,670 | 2,67,670 | 2,67,670 | 2,67,670 | 2,67,670 | 2,67,670 | 2,67,670 | 2,67,670 | 2,67,670 | 2,67,670 | 2,67,670 |
| Nigeria | 9,23,770 | 9,23,770 | 9,23,770 | 9,23,770 | 9,23,770 | 9,23,770 | 9,23,770 | 9,23,770 | 9,23,770 | 9,23,770 | 9,23,770 | 9,23,770 | 9,23,770 | 9,23,770 | 9,23,770 | 9,23,770 | 9,23,770 |