Lawmakers in France are scheduled to vote on Tuesday to ban social media for under-15s -- one of 20 countries worldwide to have proposed or introduced such measures, with many of them in Europe.

Five of those countries have restrictions already in force, according to an AFP tally.

Here are facts about the measures in different countries.

Restrictions announced

Across the 27-nation EU, the European Commission plans to propose measures later this year for a total ban for under-13s and progressive access for those aged 13 to 18.