Encuesta de Fecundidad
Characteristics marriages / couples and exposure to pregnancy risk. Women  15-49 years
Females married sometime or with a 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;9,8;0,2;0,4;2,7;7,2;12,4;16,9;20,7;
Up to 10,000 inhabitants;10,3;0,2;0,6;3,2;7,9;13,1;16,3;21,3;
From 10,001 to 50,000 inhabitants;10,2;0,4;0,5;3,5;7,6;12,9;17,8;21,5;
From 50,001 to 500,000 inhabitants;9,6;0,1;0,4;2;6,5;11,9;17,3;20,4;
More than 500,000 inhabitants;9,1;0;0,1;2,1;6,4;11,9;15,5;19,7;
Notas:
Fuente: National Statistics Institute