According to Gordon Brown, the UN special envoy for global education, $6bn is needed to educate people in the developing world.
Brown called upon the public to contribute because even though there has been a global commitment to education for all, there is no global commitment to funding education for all.
The UK's former prime minister made the comments at the spring meeting of the International Monetary Fund and World Bank in Washington DC.
Al Jazeera's Shihab Rattansi reports from the US capital.
Source: Al Jazeera