| Mothers of large families by age. 33-Asturias |
| TOTAL | Less than 20 | From 20 to 24 years | From 25 to 29 years | From 30 to 34 years | From 35 to 39 years | From 40 to 44 years | From 45 to 49 years | From 50 to 54 years | From 55 or more | |
| TOTAL | 7327 | 2 | 59 | 249 | 810 | 1885 | 2241 | 1399 | 551 | 131 |
| 33001-Allande | 34 | 0 | 0 | 2 | 5 | 11 | 11 | 3 | 2 | 0 |
| 33002-Aller | 102 | 0 | 0 | 1 | 13 | 30 | 36 | 16 | 5 | 1 |
| 33003-Amieva | 9 | 0 | 0 | 0 | 1 | 5 | 2 | 1 | 0 | 0 |
| 33004-Avilés | 510 | 0 | 8 | 29 | 57 | 115 | 162 | 92 | 37 | 10 |
| 33005-Belmonte de Miranda | 15 | 0 | 0 | 0 | 3 | 3 | 3 | 3 | 3 | 0 |
| 33006-Bimenes | 7 | 0 | 0 | 0 | 0 | 4 | 2 | 1 | 0 | 0 |
| 33007-Boal | 28 | 0 | 0 | 0 | 4 | 12 | 6 | 3 | 2 | 1 |
| 33008-Cabrales | 28 | 0 | 0 | 2 | 2 | 6 | 9 | 8 | 1 | 0 |
| 33009-Cabranes | 6 | 0 | 0 | 0 | 2 | 3 | 1 | 0 | 0 | 0 |
| 33010-Candamo | 20 | 0 | 1 | 3 | 2 | 4 | 3 | 4 | 3 | 0 |
| 33012-Cangas de Onís | 59 | 0 | 0 | 2 | 7 | 18 | 21 | 7 | 3 | 1 |
| 33011-Cangas del Narcea | 224 | 0 | 1 | 8 | 20 | 78 | 73 | 34 | 7 | 3 |
| 33013-Caravia | 5 | 0 | 0 | 0 | 1 | 0 | 3 | 1 | 0 | 0 |
| 33014-Carreño | 62 | 0 | 3 | 3 | 10 | 16 | 22 | 7 | 1 | 0 |
| 33015-Caso | 9 | 0 | 0 | 1 | 1 | 3 | 3 | 0 | 1 | 0 |
| 33016-Castrillón | 165 | 0 | 4 | 2 | 13 | 35 | 49 | 42 | 18 | 2 |
| 33017-Castropol | 39 | 0 | 0 | 1 | 2 | 11 | 10 | 9 | 6 | 0 |
| 33018-Coaña | 28 | 0 | 0 | 1 | 2 | 8 | 11 | 5 | 1 | 0 |
| 33019-Colunga | 18 | 0 | 0 | 1 | 3 | 3 | 8 | 1 | 2 | 0 |
| 33020-Corvera de Asturias | 105 | 0 | 2 | 3 | 20 | 32 | 28 | 16 | 3 | 1 |
| 33021-Cudillero | 48 | 0 | 0 | 1 | 5 | 14 | 16 | 10 | 1 | 1 |
| 33022-Degaña | 10 | 0 | 1 | 1 | 1 | 3 | 4 | 0 | 0 | 0 |
| 33023-Franco (El) | 42 | 0 | 0 | 2 | 3 | 17 | 14 | 5 | 1 | 0 |
| 33024-Gijón | 1438 | 0 | 5 | 46 | 161 | 320 | 467 | 297 | 113 | 29 |
| 33025-Gozón | 71 | 1 | 1 | 6 | 6 | 13 | 26 | 11 | 5 | 2 |
| 33026-Grado | 69 | 0 | 0 | 3 | 8 | 20 | 21 | 11 | 5 | 1 |
| 33027-Grandas de Salime | 6 | 0 | 0 | 0 | 1 | 3 | 2 | 0 | 0 | 0 |
| 33028-Ibias | 17 | 0 | 0 | 0 | 1 | 7 | 6 | 3 | 0 | 0 |
| 33029-Illano | 5 | 0 | 0 | 0 | 0 | 1 | 3 | 1 | 0 | 0 |
| 33030-Illas | 5 | 0 | 0 | 0 | 1 | 2 | 2 | 0 | 0 | 0 |
| 33031-Langreo | 234 | 0 | 2 | 17 | 39 | 78 | 61 | 27 | 9 | 1 |
| 33032-Laviana | 74 | 0 | 2 | 4 | 8 | 27 | 24 | 7 | 2 | 0 |
| 33033-Lena | 84 | 0 | 0 | 4 | 6 | 25 | 26 | 16 | 6 | 1 |
| 33035-Llanera | 155 | 0 | 0 | 8 | 16 | 34 | 45 | 37 | 13 | 2 |
| 33036-Llanes | 114 | 0 | 0 | 3 | 13 | 30 | 41 | 16 | 8 | 3 |
| 33037-Mieres | 249 | 0 | 1 | 13 | 43 | 81 | 72 | 27 | 12 | 0 |
| 33038-Morcín | 14 | 0 | 0 | 0 | 3 | 3 | 5 | 3 | 0 | 0 |
| 33039-Muros de Nalón | 14 | 0 | 2 | 0 | 2 | 5 | 4 | 0 | 1 | 0 |
| 33040-Nava | 33 | 0 | 0 | 2 | 4 | 10 | 5 | 7 | 3 | 2 |
| 33041-Navia | 76 | 0 | 1 | 0 | 7 | 20 | 27 | 13 | 7 | 1 |
| 33042-Noreña | 33 | 0 | 1 | 1 | 2 | 6 | 14 | 7 | 2 | 0 |
| 33043-Onís | 8 | 0 | 0 | 1 | 0 | 2 | 3 | 2 | 0 | 0 |
| 33044-Oviedo | 1712 | 1 | 11 | 36 | 142 | 401 | 481 | 406 | 181 | 53 |
| 33045-Parres | 43 | 0 | 0 | 1 | 8 | 13 | 15 | 0 | 6 | 0 |
| 33048-Pesoz | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| 33046-Peñamellera Alta | 4 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 0 |
| 33047-Peñamellera Baja | 18 | 0 | 0 | 1 | 0 | 7 | 7 | 2 | 1 | 0 |
| 33049-Piloña | 69 | 0 | 1 | 0 | 7 | 13 | 25 | 17 | 4 | 2 |
| 33050-Ponga | 4 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 |
| 33051-Pravia | 74 | 0 | 3 | 2 | 9 | 22 | 22 | 11 | 3 | 2 |
| 33052-Proaza | 8 | 0 | 0 | 0 | 2 | 2 | 2 | 1 | 1 | 0 |
| 33053-Quirós | 8 | 0 | 0 | 0 | 1 | 3 | 3 | 1 | 0 | 0 |
| 33054-Regueras (Las) | 19 | 0 | 0 | 0 | 0 | 7 | 3 | 9 | 0 | 0 |
| 33055-Ribadedeva | 25 | 0 | 0 | 1 | 2 | 9 | 5 | 5 | 3 | 0 |
| 33056-Ribadesella | 46 | 0 | 1 | 1 | 4 | 7 | 19 | 9 | 5 | 0 |
| 33057-Ribera de Arriba | 24 | 0 | 1 | 1 | 5 | 8 | 4 | 4 | 1 | 0 |
| 33058-Riosa | 20 | 0 | 1 | 0 | 1 | 8 | 5 | 4 | 1 | 0 |
| 33059-Salas | 41 | 0 | 0 | 0 | 4 | 9 | 18 | 6 | 4 | 0 |
| 33061-San Martín de Oscos | 3 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
| 33060-San Martín del Rey Aurelio | 77 | 0 | 0 | 2 | 17 | 20 | 24 | 11 | 2 | 1 |
| 33063-San Tirso de Abres | 5 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 0 | 0 |
| 33062-Santa Eulalia de Oscos | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
| 33064-Santo Adriano | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| 33065-Sariego | 9 | 0 | 0 | 1 | 1 | 3 | 2 | 1 | 1 | 0 |
| 33066-Siero | 421 | 0 | 4 | 15 | 45 | 127 | 121 | 78 | 28 | 3 |
| 33067-Sobrescobio | 5 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 1 | 0 |
| 33068-Somiedo | 8 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 0 | 0 |
| 33069-Soto del Barco | 16 | 0 | 0 | 0 | 3 | 5 | 4 | 3 | 0 | 1 |
| 33070-Tapia de Casariego | 26 | 0 | 1 | 1 | 3 | 7 | 6 | 4 | 3 | 1 |
| 33071-Taramundi | 8 | 0 | 0 | 0 | 3 | 1 | 1 | 3 | 0 | 0 |
| 33072-Teverga | 9 | 0 | 0 | 0 | 4 | 0 | 4 | 1 | 0 | 0 |
| 33073-Tineo | 91 | 0 | 1 | 5 | 16 | 21 | 33 | 11 | 2 | 2 |
| 33034-Valdés | 114 | 0 | 0 | 4 | 10 | 34 | 42 | 20 | 3 | 1 |
| 33074-Vegadeo | 35 | 0 | 0 | 1 | 2 | 11 | 8 | 7 | 6 | 0 |
| 33075-Villanueva de Oscos | 4 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 |
| 33076-Villaviciosa | 84 | 0 | 0 | 3 | 10 | 17 | 23 | 19 | 11 | 1 |
| 33077-Villayón | 17 | 0 | 0 | 2 | 4 | 3 | 1 | 6 | 0 | 1 |
| 33078-Yernes y Tameza | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 |