Why are the poorest countries mostly, you know?

this is the list of world's poorest countries by GDP per capita from World Bank rank country GDP per capita year of consensus skin tone of major ethnicity 142  Sudan +  South... show more this is the list of world's poorest countries by GDP per capita from World Bank

rank country GDP per capita year of consensus skin tone of major ethnicity
142  Sudan +  South Sudan 2,239 2010 dark
143  Cambodia 2,150 2010 medium
144  Tajikistan 2,147 2010 light
145  Mauritania 1,930 2010 dark
146  Senegal 1,917 2010 dark
147  Côte d'Ivoire 1,885 2010 dark
148  São Tomé and Príncipe 1,880 2010 dark
149  Bangladesh 1,643 2010 dark
150  Kenya 1,635 2010 dark
151  Ghana 1,625 2010 dark
152  Benin 1,576 2010 dark
153  Zambia 1,550 2010 dark
154  Lesotho 1,533 2010 dark
155  Tanzania 1,423 2010 dark
156  Gambia, The 1,400 2010 dark
157  Chad 1,360 2010 dark
158  Uganda 1,263 2010 dark
159  Burkina Faso 1,247 2010 dark
160  Nepal 1,190 2010 medium
161  Guinea-Bissau 1,177 2010 dark
162  Rwanda 1,155 2010 dark
163  Haiti 1,102 2010 dark
164  Comoros 1,089 2010 dark
165  Guinea 1,083 2010 dark
166  Mali 1,057 2010 dark
167  Ethiopia 1,033 2010 dark
168  Togo 991 2010 dark
169  Madagascar 961 2010 dark
170  Afghanistan 955 2008 medium
171  Mozambique 935 2010 dark
172  Timor-Leste 921 2010 dark
173  Malawi 876 2010 dark
174  Sierra Leone 821 2010 dark
175  Central African Republic 783 2010 dark
176  Niger 723 2010 dark
177  Eritrea 542 2010 dark
178  Liberia 416 2010 dark
179  Burundi 405 2010 dark
180  Congo, Democratic Republic of the 345 201 dark

The fact is that skin color IS related to the wealth of a country, but the question is HOW?
9 answers 9