Encuesta de Fecundidad
Total
Average age of females  size of municipality of residence  at time of marriage/No. live births. 
Unidades: Average age

,Average age of females (years) at 1st marriage,Average age of females (years) at birth of 1st live birth,Average age of females (years) at birth of 2nd live birth,Average age of females (years) at birth of the last live birth,
Total,22,6,24,22,27,36,28,3,
Up to 10,000 inhabitants,22,5,23,97,26,94,28,07,
From 10,001 to 50,000 inhabitants,22,21,24,04,27,41,28,25,
From 50,001 to 500,000 inhabitants,22,71,24,14,27,24,28,18,
More than 500,000 inhabitants,23,2,25,09,28,2,29,04,
Notas:
Fuente: