Encuesta de Fecundidad
Characteristics marriages / couples and exposure to pregnancy risk. Women  15-49 years
Single females with some partner by size ofmunicipality of residence and actual age (years).
Unidades: Average duration (years)

;Total;From 15 to 19 years old;From 20 to 24 years old;From 25 to 29 years old;From 30 to 34 years old;From 35 to 39 years old;From 40 to 44 years old;From 45 to 49 years old;
Total;0,9;0,1;0,2;0,9;2,4;5,4;3,6;3;
Up to 10,000 inhabitants;1,1;0,2;0,1;1,3;1,8;5,3;6,8;3,3;
From 10,001 to 50,000 inhabitants;1;0,3;0,3;1,1;3,2;5,1;4,6;0;
From 50,001 to 500,000 inhabitants;0,8;0;0,2;0,5;2,4;5,7;3,8;0,6;
More than 500,000 inhabitants;0,8;0;0,1;1;1,7;5,2;1,4;6,6;
Notas:
Fuente: National Statistics Institute