Maintenance: Retention rate across the EU-27 countries in 2023
Retention rate measures how well a country sustains the inflow of contributors from one year to the next. The top 5
countries in terms of the retention rate are Malta, Denmark, Slovenia, Finland and the Netherlands. Two of these countries,
namely Slovenia and Finland score also very high in terms of turnover rates, besides Luxembourg, Bulgaria and Denmark.
The graphs points to a fragmented Europe where there is need for harmonised policy and practice for supporting and
contributing to the sustainable maintenance of open source technologies.