Key Finding
Transparency peaked in 2020 and has declined every year since. Full data sharing dropped from 72.6% to 15.1%, while consultations with no published data rose from 17.9% to 47.9%.
Commission I
Juncker
2014–2019 (data: 2017–19)
Full Data
34.2%
Summary Only
11.0%
No Data
54.8%
Transparency Index
39.7%
Most Transparent
Commission II
Von der Leyen I
2019–2024 (data: 2020–24)
Full Data
56.4%
Summary Only
28.0%
No Data
15.6%
Transparency Index
70.4%
Most Secretive
Commission III
Von der Leyen II
2024–2029 (data: 2025)
Full Data
15.1%
Summary Only
37.0%
No Data
47.9%
Transparency Index
33.6%
Yearly Data Sharing Breakdown
Juncker
Von der Leyen I
II
Full Data Published
Summary Only
No Data Published
72.6%
Peak Transparency (2020)
15.1%
Current Full Data Rate
−57.5pp
Change Since Peak
−11.5pp
Avg. Annual Decline