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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Iceland | 13.4 | 15.5 | 5.1 | 4.0 | 5.4 | 4.0 | 5.2 | 3.9 | 2.0 | 1.6 | 1.7 | 1.8 | 2.7 | 3.0 | 2.8 | 4.4 | 8.3 | 8.7 | 5.9 |
| Norway | 10.6 | 4.1 | 3.1 | 1.5 | 2.4 | 1.3 | 0.7 | 2.1 | 2.0 | 2.2 | 3.5 | 1.9 | 2.8 | 2.2 | 1.3 | 3.5 | 5.8 | 5.5 | 3.1 |
| Sweden | 7.0 | 10.4 | 0.9 | 0.5 | 1.2 | 3.0 | 0.9 | 0.0 | -0.2 | 0.0 | 1.0 | 1.8 | 2.0 | 1.8 | 0.5 | 2.2 | 8.4 | 8.5 | 2.8 |
| Finland | 2.7 | 6.1 | 3.0 | 0.6 | 1.2 | 3.4 | 2.8 | 1.5 | 1.0 | -0.2 | 0.4 | 0.8 | 1.1 | 1.0 | 0.3 | 2.2 | 7.1 | 6.3 | 1.6 |
| Denmark | 6.5 | 2.6 | 2.9 | 1.8 | 2.3 | 2.8 | 2.4 | 0.8 | 0.6 | 0.5 | 0.3 | 1.1 | 0.8 | 0.8 | 0.4 | 1.9 | 7.7 | 3.3 | 1.4 |