Facebook's profits climbed 71% to $3.9bn (£3bn) in the second quarter of this year
The social media giant exceeded market expectations, posting a 45% increase in revenue for the three months to June of this year to $9.3bn (£7.1bn), compared with $6.4bn (£4.9bn) for the same period in 2016.
This beat analysts' estimates of $9.2bn (£7bn).
Shares in the world's largest social network, which now has more than two billion regular users, rose by around 4% in after-hours trading.
"We had a good second quarter and first half of the year. Our community is now two billion people and we're focusing on bringing the world closer together," said Facebook's founder and chief executive, Mark Zuckerberg.
Mobile advertising revenue accounted for 87% of the firm's total ad revenue - an increase from 84% in the same three months last year.
The tech giant has manged to double its audience over the last five years after reaching the one billion user landmark in October 2012.
Every day, more than 800 million people "like" something on Facebook and more than 750 million new friends connect.