Kenya has been ranked the sixth most optimistic country in the world and the first in Africa, in the latest Edelman Trust Barometer report.

Even so, the report revealed that only 53 per cent of the Kenyan population believed the next generation would be better off compared to today, signalling growing uncertainty about the country's future.

The report ranked Saudi Arabia as the most optimistic country globally (69 per cent), tied with China.

The two countries were closely followed by India (66 per cent) and Indonesia (65 per cent).