La migración se define como: Una alta concentración poblacional en ciertas regiones. Los movimientos de la población por obtener mejores condiciones de vida. Un aumento del nivel de marginación entre las clases sociales. El incremento de …

However, during Perestroika in Russia (1984 to 1990), suicide rates declined by approximately 32 percent for males and 19 percent for females (Varnik et al., 1998). The decrease in female suicide was the same as seen in the rest of Europe, whereas the male decrease in suicide rate was 3.8 times that observed in other European countries.