Millions of children learn only very little.

For many children schools do not live up to their promise: in many schools children learn very little.

This is a problem in rich countries. By the end of primary school about 9% of children in high-income countries cannot read with comprehension.

But it tends to be a much larger problem in poorer countries. This is what the chart below shows. Researchers estimate that in the very poorest countries of the world 90% of children are not able to read with comprehension when they reach the end of primary school.

To learn more about this data and some low-cost ways to improve learning outcomes, click here.