Africa remains the most affected by illiteracy with 40% illiteracy compared to worldwide:
Africa remains the most affected by illiteracy with 40% illiteracy compared to worldwide:
(a) 18%
(b) 20%
(c) 25%
(d) 16%
✅ Correct option: (a) 18%
Explanation: Global average illiteracy is around 18%, much lower than Africa's 40%.