The number of people using Facebook each month increased to 1.94 billion, of which nearly 1.3 billion use it daily, the company said.
The US tech giant reported profits of just over $3bn (£2.4bn) in the first quarter, a 76% rise year-on-year.
However, it warned that growth in ad revenues would slow down.
The company has also come under sustained pressure in recent weeks over its handling of hate speech, child abuse and self-harm on the social network.
