Also at the event were Beyoncé, Oprah Winfrey, Trevor Noah and Bob Geldof

This article is more than 1 year old

This article is more than 1 year old

This article is more than 1 year old

Beyoncé, Oprah Winfrey, Naomi Campbell, Pharrell Williams, Usher and other international stars gathered in Johannesburg on Sunday for a charity concert honouring Nelson Mandela a century after he was born.

Thousands poured into the South African city’s FNB stadium for Global Citizen Festival: Mandela 100. Singer Bob Geldof, who organised the Live Aid concerts for Africa, was also there.

Global Citizen, an advocacy group, campaigns for an end to extreme poverty, and other causes. It says many people won tickets to Sunday’s concert through charity work and petition-signing.

World leaders previously gathered at the stadium in 2013 for a memorial after the death of Mandela, the anti-apartheid leader who was also South Africa’s first black president.

Facebook Twitter Pinterest Trevor Noah on stage with Anele Mdoda. Photograph: Kevin Mazur/Getty Images for Global Citizen Festival: Mandela 100

Sunday’s festival gave a platform to government leaders, CEOs and others who pledged more funding for healthcare and other social programmes.

In a recorded video message, Kenya’s president, Uhuru Kenyatta, promised more money in the national budget. Canada’s prime minister, Justin Trudeau, tweeted a $50m pledge for education for girls and women around the world.

“This is amazing!” the festival host, Trevor Noah, said as Trudeau’s tweet was shown on a big stadium screen.

Justin Trudeau (@JustinTrudeau) Hey @Trevornoah - thanks for everything you’re doing to celebrate Nelson Mandela’s legacy at the @GlblCtzn festival. Sorry I can’t be with you - but how about Canada pledges $50M to @EduCannotWait to support education for women & girls around the world? Work for you? Let’s do it.

Noah had earlier highlighted a comment by Mandela that poverty could be overcome through determined action. South Africa, where white minority rule ended a quarter-century ago, is struggling with one of the world’s highest rates of income inequality.