Development studies Politics & government 23 Sociology 15 Development economics & emerging economies 14 Human geography 12 International relations 10 Social impact of disasters 10 Comparative politics 8 Central government policies 7 Political economy 7 Political structure & processes 7 Sustainability 7 Urban communities 7 Regional studies 6 Social classes 6 Universities 6 Urban & municipal planning 6 Christianity 5 Economics 5 Ethnic studies 5 Gender studies, gender groups 5 Peace studies & conflict resolution 5 Philosophy of religion 5 Political science & theory 5 Roman Catholicism, Roman Catholic Church 5 Social & cultural anthropology, ethnography 5 Humanities 4 Migration, immigration & emigration 4 Colonialism & imperialism 3 Economic geography 3