Encuesta de Fecundidad Charac. married couples or couples and expos. risk of preg. Fem.15-49 years Females married sometime or with a partner size of municipality of residence age to 1st marriage or with a partner. Units: 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;100.00;41.87;36.51;17.36;3.18;1.08; Up to 10,000 inhabitants;100.00;37.38;40.89;17.40;2.57;1.76; From 10,001 to 50,000 inhabitants;100.00;39.79;40.95;16.97;1.60;0.68; From 50,001 to 500,000 inhabitants;100.00;45.21;32.81;16.89;4.21;0.87; More than 500,000 inhabitants;100.00;43.66;31.95;18.98;4.17;1.24; Notes: Source: National Statistics Institute