It needs a bit more than that. All the Americas were colonized, and most (but not all) are doing better than India. Indonesia is roughly twice as rich per capi

It needs a bit more than that. All the Americas were colonized, and most (but not all) are doing better than India. Indonesia is roughly twice as rich per capita. South Africa is even richer. And Malaysia even richer than it. Algeria, Libya. Korea and Taiwan were both colonized and much more exposed to WW2, and they're very well off. The poorest countries in the world were mostly colonized, but that's because most of the world has been victims of colonialism. And the effects of colonialism reverberate to the present day. But it's not really powerful IMO as an explanatory variable for differences in human development in the non-European world.