Vast differences.
D003710:Demography; D003906:Developing Countries; D004641:Emigration and Immigration; D005843:Geography; D007391:International Cooperation; D010139:Pacific Islands; D011153:Population; D011156:Population Density; D011157:Population Dynamics; D011158:Population Growth; D011640:Public Policy
Demographic Factors; Developing Countries; Geographic Factors; International Cooperation; Migration; Oceania; Policy; Population; Population Density; Population Dynamics; Population Growth; Population Policy; Social Policy; Spatial Distribution