Akomfrah had accepted the invitation to represent Britain at the Venice Biennale “without hesitation”, he said.
The Venice Biennale runs from 20 April to 24 November.
“If you had told me at the Black Art Convention in 1982 that I would be in the British pavilion at Venice, I would have laughed.
His film Four Nocturnes was presented at the Ghana pavilion at the Venice Biennale in 2019, reflecting on environmental destruction and the human cost of the climate crisis.