Nelson Mandela enjoys his birthday with his family in his home village of Qunu, South Africa.
Schoolchildren around South Africa have gathered to sing Happy Birthday to Nelson Mandela.
"Thank you for letting us do everything, Mandela, and happy birthday to you," said pupil Nothende Malinga.
Foreign Secretary William Hague:
Susan Rice represents the US at the UN:
Nelson Mandela is a towering example of grace, wisdom, and strength. Happy 94th Birthday, Madiba.From @AmbassadorRice on Twitter:
Rio Ferdinand is a former England captain:
Madiba 94....wow!From @rioferdy5 on Twitter:
Manchester United manager Sir Alex Ferguson has sung Happy Birthday to Nelson Mandela, who turns 94 today.
Ferguson, seen here with officials from the KwaZulu-Natal province, is with United on a pre-season tour of South Africa. He said of Mandela:
"I have met him a few times now, and I think every time you meet him you're sort of in awe of him ... his presence, his personality exudes all around you."
Nelson Mandela will likely be tucking into ground corn and cow stomach to celebrate his birthday today.
His granddaughter Ndileka Mandela told the Sowetan newspaper:
The big lunch will be at 4pm where we will present him with a cake...We will probably have food like samp and tripe, his favourite food.
South Africans all over the country celebrate Nelson Mandela's 94th birthday today.
Many will do charity work as part of what has become known as "Mandela Day" - citizens are asked to do 67 minutes of community work to reflect Mandela's 67 years of service to the country.
The former US President Bill Clinton has met Nelson Mandela at his home in the village of Qunu in South Africa ahead of his 94th birthday tomorrow.
Mr Mandela's grandson Mbuso has tweeted a picture of the encounter: