Obama, marriage equality, ISIS and refugee crisis lead Facebook conversations

Facebook is taking a look back on moments in 2015 and has revealed the most talked-about global topics of the year.

"As 2015 comes to a close, we remember what was on our minds this year and the difference we made by coming together," says Betsy Cameron, Facebook data analyst and Brittany Darwell, editor via a company blog post.

"We're taking a look back on the moments in 2015 that moved us and inspired us to take action.

By the looks of things, users of the social media platform are well into current affairs, with high profile mainstream news events taking centre stage:

1. US Presidential Election 2. November 13 Attacks in Paris 3. Syrian Civil War - Refugee Crisis 4. Nepal Earthquakes 5. Greek Debt Crisis 6. Marriage Equality 7. Fight Against ISIS 8. Charlie Hebdo Attack 9. Baltimore Protests 10. Charleston Shooting - Flag Debate

The Year in Review Top 10 list was measured by how frequently a topic was mentioned in Facebook posts made between January 1 and December 1, 2015.

"To put this list together, Facebook posts were analysed in an aggregated, anonymised way, and then ranked to create a snapshot of the year on Facebook," Cameron explains.

Those interested can see details about each global topic and view other top 10 lists including top movies, TV shows, entertainers, athletes, places, new games, new sticker packs, as well as top topics and check-ins for many countries here.