Published April 17, 2024 | Version 4.16
Software Open

Paris-compatible national CO2 budgets


Based on the distribution of a global CO2 budget to countries using a weighted distribution key that takes into account the shares of emissions and population in a base year, this tool can be used to calculate Paris-compatible CO2 budgets for all countries in the world. This weighted distribution key reflects the two most important factors "current reality" and "climate justice".

Here is a preview of the Excel tool.

You can find simplified web applications here:



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Additional details

Additional titles

Subtitle (English)
Implicit and explicit weighting of the population in the allocation of a global CO2 budget

Related works

Is supplement to
Working paper: 10.5281/zenodo.4764408 (DOI)
Working paper: 10.5281/zenodo.4603032 (DOI)
Software: 10.5281/zenodo.4568839 (DOI)