Migration movements in the south border of México with Guatemala, has motivated serious social, economic and politic un-stability in both countries. During the last decades of the XX-th century, the sites of the south zone have become in zones with high violence indexes, delinquency and...

Migration has been a difficult phenomenon to measure because of its volatile characteristics and the number of models that explain the essential incentives of the process. In Bolivia there are few quantitative studies of international migratory movements, however, there are records that reflect...