Justin Bieber has called on all the humans on Earth to help make the world a "better" place to live in.

The singer has had his troubles over the last few years, with the 21-year-old at one point arrested for DUI.

It seems he has turned a new leaf, however, with the Canadian's latest album 'Purpose' showing maturity.

Speaking on Twitter, Bieber revealed his desire for people to work together to put the world in better shape.

He said: "Let's be the generation that makes the world a better place."

It seems his message has resonated with Twitter users, with the post being retweeted over 50,000 times.

Bieber meanwhile is currently lording singles charts across the world.

His tune 'Love Yourself' has dominated charts in countries like the US and the UK for weeks, while 'Sorry' and 'What Do You Mean?' have also placed highly.

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Watch Justin Bieber being interviewed below: