Australia
Australia's under-16 social media ban took effect on 10 December 2025, requiring covered platforms to prevent under-16s from holding accounts. In June 2026 the government moved to double fines amid evidence children were bypassing the ban.
Where is Tumblr blocked?
Tumblr is blocked, restricted or age-gated in 10 countries and territories — 6 complete bans, 1 partial restriction and 3 age-verification requirements in total.
Brazil
Brazil's Digital Statute of Children and Adolescents (ECA Digital, Law 15,211/2025) took effect on 17 March 2026. Social media accounts for users under 16 must be linked to a legal guardian, and platforms must use reliable age verification — self-declaration alone is not allowed.
Eritrea
Islamic Republic of Iran
Blocked by authorities under strict moral codes.
Kazakhstan
Blocked over concerns of religious extremism and sensitive material.
North Korea
People's Republic of China
Blocked by the Great Firewall due to censorship and adult content.
Philippines
Flagged and blocked by the Cybercrime Investigation and Coordinating Center over alleged illegal online gambling links.
Turkmenistan
United Kingdom
Tumblr implemented mandatory age verification to comply with the Online Safety Act.
Data updated:
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