Inflation as measured by the consumer price index reflects the annual percentage change 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| スリナム | 2.6 | 21.7 | 59.4 | 9.9 | 6.9 | 17.7 | 5.0 | 1.9 | 3.4 | 6.9 | 55.4 | 22.0 | 34.9 | 59.1 | 52.4 | 51.6 | 16.2 | ||
| コロンビア | 6.9 | 29.2 | 9.2 | 5.1 | 2.3 | 3.4 | 3.2 | 2.0 | 2.9 | 5.0 | 7.5 | 4.3 | 3.2 | 3.5 | 2.5 | 3.5 | 10.2 | 11.7 | 6.6 |
| ボリビア | 4.0 | 17.1 | 4.6 | 5.4 | 2.5 | 9.9 | 4.5 | 5.7 | 5.8 | 4.1 | 3.6 | 2.8 | 2.3 | 1.8 | 0.9 | 0.7 | 1.7 | 2.6 | 5.1 |
| ウルグアイ | 16.3 | 112.5 | 4.8 | 4.7 | 6.7 | 8.1 | 8.1 | 8.6 | 8.9 | 8.7 | 9.6 | 6.2 | 7.6 | 7.9 | 9.8 | 7.7 | 9.1 | 5.9 | 4.8 |
| ブラジル | 2,947.7 | 7.0 | 6.9 | 5.0 | 6.6 | 5.4 | 6.2 | 6.3 | 9.0 | 8.7 | 3.4 | 3.7 | 3.7 | 3.2 | 8.3 | 9.3 | 4.6 | 4.4 | |
| チリ | 26.0 | 3.8 | 3.1 | 1.4 | 3.3 | 3.0 | 1.8 | 4.7 | 4.3 | 3.8 | 2.2 | 2.4 | 2.6 | 3.0 | 4.5 | 11.6 | 7.6 | 4.3 | |
| パラグアイ | -0.9 | 37.3 | 9.0 | 6.8 | 4.7 | 8.3 | 3.7 | 2.7 | 5.0 | 3.1 | 4.1 | 3.6 | 4.0 | 2.8 | 1.8 | 4.8 | 9.8 | 4.6 | 3.8 |
| ガイアナ | 6.1 | 6.9 | 3.7 | 5.0 | 2.4 | 1.9 | 0.9 | -1.0 | 0.8 | 1.9 | 1.3 | 2.1 | 1.0 | 5.0 | 6.1 | 2.8 | 2.9 | ||
| ペルー | 5.0 | 7,481.7 | 3.8 | 1.6 | 1.5 | 3.4 | 3.6 | 2.8 | 3.4 | 3.4 | 3.6 | 3.0 | 1.5 | 2.3 | 2.0 | 4.3 | 8.3 | 6.5 | 2.0 |
| エクアドル | 5.2 | 48.5 | 96.1 | 2.2 | 3.6 | 4.5 | 5.1 | 2.7 | 3.6 | 4.0 | 1.7 | 0.4 | -0.2 | 0.3 | -0.3 | 0.1 | 3.5 | 2.2 | 1.5 |
| ベネズエラ（ボリバル共和国） | 28.2 | 26.1 | 21.1 | 40.6 | 62.2 | 121.7 | 254.9 |