关于谈谈人口流动，人口迁移的原因，和对其的看法的英语作文。

关于谈谈人口流动，人口迁移的原因，和对其的看法的英语作文。

Migration in the main economic reasons, such as poverty and unemployment, improve their lives, or to become rich, to seek success and so on. In addition, political, religious, cultural, and war and famine may lead to migration. Direct consequence of the performance of migration in the move out, move into the number of population, gender and age composition of the different effects. Immigrants in general more men than women, young children and the elderly population than migration. From indirect economic and social consequences of view, the move to reduce the population pressure and may be migrants remittances, but the workforce reduction, especially those with high educational level and skilled labor to move out, so move out to the upbringing, education costs are great losses. Of moving regions, due to increased population and labor force, economic benefit, but may also bring ethnic conflicts or other social problems.