Share of municipal websites that negotiate a hybrid post-quantum TLS 1.3 key exchange (ML-KEM) — Sweden's 198 government agencies compared
Swedish government agencies
41%
Swedish regions
43%
Swedish municipalities
68%
European municipalities (41 countries)
25%
European regions (32 countries)
31%
41%
82 of 198 agencies support post-quantum TLS
-26 pp
compared with Swedish municipalities (68%)
25%
European municipalities overall (17,234 of 69,469 domains)
Source: kommunermedipv6.se, latest scans (Sept 2026). PQC = the website's TLS 1.3 handshake negotiates X25519MLKEM768 or another hybrid ML-KEM group (openssl probe); sites that still also allow TLS 1.2 are counted too. Agencies = the 198 Swedish government agencies (myndigheter). Europe = all countries on the maps, pooled per domain.