Encuesta de Fecundidad Characteristics marriages / couples and exposure to pregnancy risk. Women 15-49 years Females married sometime or with a partner size of municipality of residence age to 1st marriage or with a partner. Unidades: Absolute figures ,Total,Under 20 years old,From 20 to 24 years old,From 25 to 29 years old,From 30 to 34 years old,years old and over, Total,7.960.860,3.333.427,2.906.577,1.382.044,253.228,85.583, Up to 10,000 inhabitants,1.729.744,646.602,707.321,300.957,44.407,30.457, From 10,001 to 50,000 inhabitants,2.036.822,810.504,834.165,345.717,32.643,13.794, From 50,001 to 500,000 inhabitants,2.901.805,1.312.013,952.127,490.037,122.261,25.367, More than 500,000 inhabitants,1.292.488,564.308,412.964,245.334,53.917,15.965, Notas: Fuente: National Statistics Institute