Population 129 Población 106 History 19 Populism 14 Social conditions 9 Demografía 8 Economic development 8 more ... Historia 7 Politics and government 7 Populismo 7 Sociología 7 Demography 6 Economic conditions 6 Population policy 6 Sociology 6 Statistics 6 Condiciones sociales 5 Desarrollo económico y social 5 Population dynamics 5 Rural population 5 Distribución del ingreso 4 Economic aspects 4 Equality 4 Igualdad 4 Income distribution 4 Indians of South America 4 Población rural 4 Pobreza 4 Politics 4 Política 4 less ...