Social Sciences
migration
100%
international migration
29%
disaster
29%
out-migration
24%
migrant
19%
immigration
15%
Land development
14%
Mexico
12%
European Union
11%
EFTA
11%
credit
11%
climate
11%
revenue
9%
Puerto Rico
8%
integration policy
7%
internal migration
7%
trend
7%
migration theory
7%
population development
7%
slavery
7%
climate change
7%
evidence
6%
immigration policy
6%
time
6%
economic change
6%
fairness
5%
Latin America
5%
system theory
5%
AIDS
5%
Earth & Environmental Sciences
hurricane
18%
human migration
13%
international migration
11%
return migration
10%
rural-urban migration
9%
family
7%
census
7%
vulnerability
7%
credit
6%
nonlinearity
6%
disaster
5%
child welfare
5%
county
5%