The concepts described on these pages are words and expressions used in statistics with a specific, limited meaning. In everyday speech the word may have a different meaning. In connection with each definition you can find information about which sets of statistics use the concept.
If you are looking for statistical figures, go from the definition to the statistics page.
Key category
The category that is prioritised in the national inventory system because it has a significant influence on the country's total inventory of greenhouse gases in terms of absolute volume or trend of emissions, or both.
Validity of the definition
- 1 January 1900 - 14 October 2021
Source organisation
- Tilastokeskus
Jaa