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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Netherlands | 25.1 | 64.5 | 81.9 | 92.7 | 100.0 | 102.3 | 104.9 | 107.5 | 108.5 | 109.2 | 109.5 | 111.0 | 112.9 | 115.9 | 117.4 | 120.5 | 132.6 | 137.7 | 142.3 |
| Belgium | 21.0 | 66.4 | 81.4 | 90.4 | 100.0 | 103.5 | 106.5 | 107.7 | 108.0 | 108.6 | 110.8 | 113.1 | 115.5 | 117.1 | 118.0 | 120.9 | 132.5 | 137.8 | 142.2 |
| Luxembourg | 22.0 | 64.7 | 80.1 | 89.7 | 100.0 | 103.4 | 106.2 | 108.0 | 108.7 | 109.2 | 109.5 | 111.4 | 113.1 | 115.1 | 116.0 | 119.0 | 126.5 | 131.2 | 133.9 |