World Bank Groups Listing
Membership dues are based on citizenship or primary work residence; the assessed dues will be whichever rate is higher. It is the responsibility of the member to choose the correct dues amount.
World Bank country classifications (gross national income per capita): high-income economies (group IV), upper-middle income economies (group III) and low-income/lower-middle-income economies (groups I and II).
View maps of these classifications at the World Bank website