Gauteng, Limpopo, Mpumalanga and North West prisons hold the highest number of foreign national inmates in South Africa, with 14 920 foreigners behind bars across the country as of January 2025.

The global prison population has been a topic of significant concern and study. According to the World Prison Brief, several countries stand out due to their large numbers of incarcerated individuals.

During a recent interview with The Sunday Times, the 52-year-old actor detailed the extremes he went to while working on the biopic, which documents Mandela’s 27 years in prison in South Africa.