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: Relative 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 100 41,87 36,51 17,36 3,18 1,08 Up to 10,000 inhabitants 100 37,38 40,89 17,4 2,57 1,76 From 10,001 to 50,000 inhabitants 100 39,79 40,95 16,97 1,6 0,68 From 50,001 to 500,000 inhabitants 100 45,21 32,81 16,89 4,21 0,87 More than 500,000 inhabitants 100 43,66 31,95 18,98 4,17 1,24 Notas: Fuente: National Statistics Institute