Consumer price index reflects changes in the cost to the average consumer of acquiring a basket of goods and services that may be fixed or changed at specified intervals, such as yearly. The Laspeyres formula is generally used.
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Iran, Islamic Rep. | 0.2 | 3.0 | 25.6 | 49.4 | 100.0 | 126.3 | 160.7 | 219.5 | 256.0 | 288.0 | 308.8 | 333.7 | 393.8 | 550.9 | 719.5 | 1,031.7 | 1,480.3 | 2,140.2 | 2,834.8 |
| Angola | 0.0 | 2.9 | 53.7 | 100.0 | 113.5 | 125.1 | 136.1 | 146.0 | 159.7 | 208.7 | 271.0 | 324.2 | 379.6 | 464.1 | 583.7 | 708.3 | 805.0 | 1,032.3 | |
| Nigeria | 0.1 | 2.4 | 29.6 | 61.4 | 100.0 | 110.8 | 124.4 | 134.9 | 145.8 | 158.9 | 183.9 | 214.2 | 240.1 | 267.5 | 302.9 | 354.3 | 421.1 | 524.9 | 699.4 |
| Libya | 15.1 | 57.9 | 98.8 | 79.8 | 100.0 | 115.5 | 122.5 | 125.7 | 128.8 | 142.2 | 178.9 | 225.1 | 254.7 | 249.2 | 252.8 | 260.1 | 271.8 | 278.3 | 284.2 |
| Algeria | 2.7 | 15.5 | 70.4 | 81.8 | 100.0 | 104.5 | 113.8 | 117.5 | 120.9 | 126.7 | 134.8 | 142.4 | 148.5 | 151.4 | 155.0 | 166.2 | 181.6 | 198.6 | 206.6 |
| Kuwait | 55.7 | 69.9 | 76.1 | 100.0 | 104.8 | 108.3 | 111.2 | 114.4 | 118.1 | 121.9 | 124.6 | 125.2 | 126.6 | 129.3 | 133.7 | 139.0 | 144.1 | 148.2 | |
| Congo, Rep. | 37.9 | 75.8 | 83.1 | 100.0 | 101.8 | 106.9 | 111.8 | 112.8 | 116.4 | 120.1 | 120.7 | 122.0 | 124.7 | 127.0 | 129.2 | 133.1 | 138.8 | 143.1 | |
| Gabon | 12.2 | 65.0 | 81.6 | 88.7 | 100.0 | 101.3 | 103.9 | 104.5 | 109.4 | 109.0 | 111.3 | 114.3 | 119.7 | 122.6 | 124.3 | 125.6 | 131.0 | 135.7 | 137.3 |
| Saudi Arabia | 22.5 | 69.8 | 76.7 | 77.2 | 100.0 | 105.8 | 108.9 | 112.7 | 115.2 | 116.6 | 119.0 | 118.0 | 120.9 | 118.4 | 122.5 | 126.2 | 129.4 | 132.4 | 134.6 |
| Ecuador | 0.0 | 1.3 | 45.7 | 80.2 | 100.0 | 104.5 | 109.8 | 112.8 | 116.8 | 121.5 | 123.6 | 124.1 | 123.8 | 124.1 | 123.7 | 123.9 | 128.2 | 131.0 | 133.0 |
| Qatar | 46.5 | 60.9 | 73.6 | 100.0 | 101.1 | 103.5 | 106.8 | 110.4 | 112.4 | 115.4 | 115.9 | 116.2 | 115.4 | 112.4 | 115.0 | 120.8 | 124.4 | 126.0 | |
| United Arab Emirates | 100.0 | 100.9 | 101.5 | 102.7 | 105.1 | 109.3 | 111.1 | 113.3 | 116.8 | 114.5 | 112.1 | 112.3 | 118.3 | 120.2 | 122.2 | ||||
| Venezuela, RB | 100.0 | 126.1 | 152.7 | 214.7 | 348.2 | 772.0 | 2,740.3 | ||||||||||||
| Iraq | 74.1 | 0.0 | 18.2 | 58.6 | 100.0 | 105.8 | 112.2 | 114.4 | 116.9 | 118.5 | 119.2 | 119.4 | 119.9 | 119.6 | 120.3 | 127.6 | 133.9 | 139.8 | |
| Equatorial Guinea | 29.7 | 56.0 | 77.5 | 100.0 | 104.8 | 108.6 | 111.8 | 116.7 | 118.6 | 120.3 | 121.2 | 122.5 | 124.3 | 130.3 | 130.1 | 136.4 |