Facebook has surpassed one billion active members for the first time in its history.

The social media site's founder, Mark Zuckerberg, announced the news on FB earlier today.

"This morning, there are more than one billion people using Facebook actively each month," he said.

"If you're reading this: thank you for giving me and my little team the honor of serving you.

"Helping a billion people connect is amazing, humbling and by far the thing I am most proud of ...