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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| South Sudan | 100.0 | 146.9 | 213.7 | 213.6 | 217.2 | 331.7 | 1,592.4 | 4,583.7 | 8,411.2 | 15,749.2 | 20,422.9 | 22,570.7 | 21,061.3 | 21,563.2 | 41,280.7 | ||||
| Sierra Leone | 100.0 | 106.8 | 113.8 | 120.1 | 125.7 | 134.1 | 148.7 | 175.8 | 204.0 | 234.2 | 265.6 | 297.2 | 378.1 | 558.2 | 718.0 | ||||
| Haiti | 1.1 | 5.9 | 32.3 | 69.5 | 100.0 | 106.3 | 111.7 | 117.0 | 121.0 | 129.2 | 144.0 | 159.4 | 179.3 | 212.8 | 261.3 | 305.4 | 409.1 | 559.7 | 710.6 |
| Guinea | 42.4 | 100.0 | 121.3 | 139.8 | 156.4 | 166.0 | 185.6 | 200.8 | 218.6 | 240.1 | 262.9 | 290.7 | 327.4 | 361.7 | 390.0 | 421.6 | |||
| Sao Tome and Principe | 22.3 | 39.2 | 100.0 | 114.3 | 126.5 | 136.7 | 146.3 | 154.0 | 162.3 | 171.6 | 185.1 | 199.4 | 219.0 | 236.8 | 279.4 | 338.8 | 387.4 | ||
| Burundi | 1.7 | 10.5 | 41.9 | 61.3 | 100.0 | 109.6 | 129.5 | 139.8 | 145.9 | 154.0 | 162.6 | 188.7 | 183.4 | 182.1 | 195.4 | 211.9 | 251.7 | 319.5 | 384.1 |
| Papua New Guinea | 21.4 | 52.9 | 77.1 | 100.0 | 104.4 | 109.2 | 114.6 | 120.6 | 127.8 | 136.3 | 143.7 | 150.0 | 155.9 | 163.5 | 170.8 | 179.8 | 183.9 | 185.1 | |
| Timor-Leste | 74.4 | 100.0 | 113.5 | 126.9 | 141.0 | 142.0 | 142.8 | 140.9 | 141.6 | 145.4 | 146.8 | 147.5 | 153.0 | 163.7 | 177.4 | 181.1 | |||
| Afghanistan | 71.6 | 100.0 | 111.8 | 119.0 | 127.8 | 133.8 | 132.9 | 138.7 | 145.6 | 146.5 | 149.9 | 158.3 | 166.4 | 189.2 | 180.4 | 168.5 | |||
| Chad | 43.5 | 72.2 | 85.6 | 100.0 | 102.0 | 109.7 | 109.9 | 111.8 | 116.7 | 115.8 | 114.0 | 118.9 | 117.7 | 123.0 | 122.0 | 129.1 | 143.0 | 155.8 | |
| Guinea-Bissau | 4.6 | 78.4 | 84.2 | 100.0 | 105.0 | 107.3 | 108.6 | 106.9 | 108.5 | 110.2 | 112.0 | 112.4 | 112.7 | 114.0 | 116.6 | 127.5 | 136.6 | 141.7 | |
| Togo | 10.4 | 39.2 | 74.5 | 84.7 | 100.0 | 103.6 | 106.2 | 108.2 | 108.4 | 111.2 | 112.6 | 111.5 | 112.5 | 113.3 | 115.4 | 120.6 | 129.8 | 136.7 | 140.6 |
| Cote d'Ivoire | 8.1 | 41.9 | 75.2 | 88.1 | 100.0 | 104.9 | 106.3 | 109.0 | 109.5 | 110.9 | 111.7 | 112.5 | 112.9 | 111.6 | 114.3 | 119.0 | 125.3 | 130.8 | 135.3 |
| Solomon Islands | 16.3 | 44.6 | 65.8 | 100.0 | 107.3 | 113.7 | 119.8 | 126.0 | 125.3 | 125.9 | 126.5 | 130.9 | 133.1 | 137.0 | 136.8 | 144.4 | 152.9 | ||
| Yemen, Rep. | 3.8 | 34.2 | 60.0 | 100.0 | 119.5 | 131.4 | 145.8 | 157.6 | |||||||||||
| Central African Republic | 49.7 | 72.5 | 80.9 | 100.0 | 101.2 | 106.7 | 114.2 | 131.2 | 133.1 | 139.6 | 145.5 | 147.8 | 151.8 | 154.4 | 161.0 | 169.9 | 175.0 | ||
| Comoros | 69.1 | 84.4 | 100.0 | 101.8 | 108.3 | 103.6 | |||||||||||||
| Congo, Dem. Rep. | 0.0 | 0.0 | 6.8 | 58.6 | 100.0 | 115.3 | 126.5 | 127.6 | 129.1 | 130.1 | 133.9 | ||||||||
| Liberia | 61.8 | 100.0 | 108.5 | 115.9 | 124.7 | 137.0 | 147.6 | 160.6 | 180.6 | 223.1 | 283.3 | 331.3 | 357.2 | 384.4 | 423.2 |