There's a pretty bad bias problem here because the probe app scans domains that are frequently blocked in dictatorships, but doesn't scan domains that are frequently blocked in "democracies", like Anna's Archive. Then it ends up looking like the dictatorship countries have all the censorship.
Scare quoting democracies is probably telling, but OONI absolutely does test content blocked in Western countries. <a href="https://explorer.ooni.org/domain/annas-archive.org" rel="nofollow">https://explorer.ooni.org/domain/annas-archive.org
mitxela · · focus · HN ↗
averysmallbird · · focus · HN ↗
mitxela · · focus · HN ↗
Edit: it must have been added recently since there's proper data now. But most of the CUII list is still not.