Encuesta de Fecundidad Characteristics marriages / couples and exposure to pregnancy risk. Women 15-49 years Females between 15 and 49 years size of municipality of residence marital status. Unidades: Relative figures ;Total;Single;Married;Widows;Separated or divorced; Total;100;43,82;51,62;0,88;3,68; Up to 10,000 inhabitants;100;39,3;57,01;1,05;2,63; From 10,001 to 50,000 inhabitants;100;37,7;57,42;0,92;3,96; From 50,001 to 500,000 inhabitants;100;46,67;48,45;0,9;3,99; More than 500,000 inhabitants;100;51,86;43,62;0,55;3,97; Notas: Fuente: National Statistics Institute