| Mothers of large families by age. 39-Cantabria |
| 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 | 5324 | 0 | 18 | 131 | 500 | 1340 | 1741 | 1087 | 419 | 88 |
| 39001-Alfoz de Lloredo | 27 | 0 | 0 | 1 | 1 | 10 | 7 | 4 | 4 | 0 |
| 39002-Ampuero | 19 | 0 | 0 | 0 | 2 | 6 | 4 | 2 | 4 | 1 |
| 39003-Anievas | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
| 39004-Arenas de Iguña | 15 | 0 | 0 | 0 | 2 | 4 | 4 | 3 | 2 | 0 |
| 39005-Argoños | 10 | 0 | 0 | 0 | 2 | 5 | 3 | 0 | 0 | 0 |
| 39006-Arnuero | 18 | 0 | 1 | 1 | 3 | 5 | 5 | 3 | 0 | 0 |
| 39007-Arredondo | 5 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 0 |
| 39008-Astillero (El) | 111 | 0 | 0 | 1 | 8 | 34 | 38 | 17 | 10 | 3 |
| 39009-Bárcena de Cicero | 19 | 0 | 0 | 1 | 0 | 6 | 8 | 3 | 1 | 0 |
| 39010-Bárcena de Pie de Concha | 8 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 0 | 2 |
| 39011-Bareyo | 20 | 0 | 0 | 0 | 3 | 8 | 7 | 2 | 0 | 0 |
| 39012-Cabezón de la Sal | 81 | 0 | 0 | 1 | 8 | 26 | 31 | 13 | 2 | 0 |
| 39013-Cabezón de Liébana | 5 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 0 |
| 39014-Cabuérniga | 13 | 0 | 0 | 0 | 3 | 3 | 5 | 2 | 0 | 0 |
| 39015-Camaleño | 11 | 0 | 1 | 0 | 4 | 3 | 3 | 0 | 0 | 0 |
| 39016-Camargo | 245 | 0 | 1 | 8 | 22 | 65 | 82 | 50 | 14 | 3 |
| 39027-Campoo de Enmedio | 30 | 0 | 0 | 0 | 1 | 6 | 11 | 9 | 3 | 0 |
| 39017-Campoo de Yuso | 7 | 0 | 0 | 0 | 1 | 2 | 2 | 1 | 1 | 0 |
| 39018-Cartes | 20 | 0 | 0 | 0 | 4 | 4 | 9 | 3 | 0 | 0 |
| 39019-Castañeda | 21 | 0 | 0 | 0 | 2 | 6 | 7 | 5 | 1 | 0 |
| 39020-Castro-Urdiales | 140 | 0 | 0 | 3 | 12 | 49 | 47 | 20 | 7 | 2 |
| 39021-Cieza | 4 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 0 |
| 39022-Cillorigo de Liébana | 17 | 0 | 0 | 0 | 0 | 8 | 5 | 3 | 1 | 0 |
| 39023-Colindres | 64 | 0 | 0 | 5 | 8 | 24 | 14 | 11 | 1 | 1 |
| 39024-Comillas | 24 | 0 | 0 | 2 | 2 | 6 | 6 | 7 | 1 | 0 |
| 39025-Corrales de Buelna (Los) | 86 | 0 | 1 | 5 | 11 | 31 | 19 | 12 | 6 | 1 |
| 39026-Corvera de Toranzo | 29 | 0 | 0 | 0 | 1 | 10 | 9 | 5 | 4 | 0 |
| 39028-Entrambasaguas | 20 | 0 | 0 | 0 | 1 | 3 | 10 | 5 | 0 | 1 |
| 39029-Escalante | 5 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 1 | 0 |
| 39030-Guriezo | 13 | 0 | 0 | 0 | 0 | 4 | 8 | 0 | 0 | 1 |
| 39031-Hazas de Cesto | 19 | 0 | 0 | 0 | 4 | 4 | 7 | 3 | 1 | 0 |
| 39032-Hermandad de Campoo de Suso | 16 | 0 | 0 | 1 | 1 | 6 | 6 | 2 | 0 | 0 |
| 39033-Herrerías | 8 | 0 | 0 | 0 | 0 | 1 | 4 | 3 | 0 | 0 |
| 39034-Lamasón | 5 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 0 |
| 39035-Laredo | 104 | 0 | 0 | 1 | 10 | 33 | 32 | 17 | 8 | 3 |
| 39036-Liendo | 8 | 0 | 0 | 0 | 2 | 1 | 4 | 1 | 0 | 0 |
| 39037-Liérganes | 30 | 0 | 0 | 1 | 4 | 6 | 13 | 2 | 4 | 0 |
| 39038-Limpias | 13 | 0 | 0 | 0 | 2 | 5 | 5 | 1 | 0 | 0 |
| 39039-Luena | 12 | 0 | 0 | 1 | 1 | 3 | 4 | 1 | 1 | 1 |
| 39040-Marina de Cudeyo | 61 | 0 | 0 | 1 | 4 | 11 | 23 | 19 | 2 | 1 |
| 39041-Mazcuerras | 20 | 0 | 0 | 1 | 2 | 3 | 7 | 1 | 5 | 1 |
| 39042-Medio Cudeyo | 83 | 0 | 1 | 1 | 9 | 19 | 17 | 26 | 8 | 2 |
| 39043-Meruelo | 13 | 0 | 0 | 0 | 4 | 2 | 3 | 3 | 1 | 0 |
| 39044-Miengo | 28 | 0 | 0 | 0 | 3 | 6 | 12 | 4 | 3 | 0 |
| 39045-Miera | 5 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 |
| 39046-Molledo | 20 | 0 | 0 | 0 | 0 | 4 | 12 | 4 | 0 | 0 |
| 39047-Noja | 30 | 0 | 0 | 0 | 2 | 8 | 12 | 4 | 1 | 3 |
| 39048-Penagos | 20 | 0 | 0 | 2 | 0 | 9 | 6 | 1 | 0 | 2 |
| 39050-Pesaguero | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| 39051-Pesquera | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 39049-Peñarrubia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 39052-Piélagos | 161 | 0 | 0 | 4 | 17 | 32 | 63 | 35 | 9 | 1 |
| 39053-Polaciones | 3 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 |
| 39054-Polanco | 22 | 0 | 0 | 2 | 1 | 6 | 8 | 5 | 0 | 0 |
| 39055-Potes | 24 | 0 | 0 | 1 | 3 | 5 | 12 | 1 | 1 | 1 |
| 39056-Puente Viesgo | 32 | 0 | 0 | 0 | 3 | 9 | 11 | 6 | 3 | 0 |
| 39057-Ramales de la Victoria | 24 | 0 | 0 | 0 | 2 | 5 | 8 | 8 | 0 | 1 |
| 39058-Rasines | 5 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 1 |
| 39059-Reinosa | 87 | 0 | 0 | 4 | 9 | 13 | 27 | 22 | 12 | 0 |
| 39060-Reocín | 65 | 0 | 0 | 1 | 9 | 18 | 21 | 13 | 3 | 0 |
| 39061-Ribamontán al Mar | 39 | 0 | 1 | 1 | 0 | 15 | 14 | 8 | 0 | 0 |
| 39062-Ribamontán al Monte | 24 | 0 | 0 | 0 | 2 | 8 | 9 | 2 | 2 | 1 |
| 39063-Rionansa | 16 | 0 | 0 | 0 | 2 | 4 | 6 | 4 | 0 | 0 |
| 39064-Riotuerto | 16 | 0 | 0 | 0 | 0 | 7 | 6 | 2 | 0 | 1 |
| 39065-Rozas de Valdearroyo (Las) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 39066-Ruente | 6 | 0 | 0 | 1 | 2 | 0 | 2 | 1 | 0 | 0 |
| 39067-Ruesga | 12 | 0 | 0 | 0 | 1 | 5 | 4 | 2 | 0 | 0 |
| 39068-Ruiloba | 13 | 0 | 0 | 0 | 1 | 3 | 6 | 3 | 0 | 0 |
| 39069-San Felices de Buelna | 26 | 0 | 0 | 0 | 0 | 9 | 12 | 2 | 3 | 0 |
| 39070-San Miguel de Aguayo | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
| 39071-San Pedro del Romeral | 16 | 0 | 0 | 0 | 2 | 3 | 5 | 3 | 3 | 0 |
| 39072-San Roque de Riomiera | 7 | 0 | 0 | 0 | 1 | 4 | 1 | 1 | 0 | 0 |
| 39080-San Vicente de la Barquera | 50 | 0 | 1 | 3 | 4 | 15 | 18 | 7 | 2 | 0 |
| 39073-Santa Cruz de Bezana | 126 | 0 | 0 | 2 | 14 | 27 | 37 | 36 | 9 | 1 |
| 39074-Santa María de Cayón | 69 | 0 | 0 | 0 | 18 | 15 | 25 | 7 | 1 | 3 |
| 39075-Santander | 1966 | 0 | 5 | 53 | 159 | 429 | 583 | 481 | 214 | 42 |
| 39076-Santillana del Mar | 34 | 0 | 0 | 1 | 2 | 10 | 14 | 5 | 1 | 1 |
| 39077-Santiurde de Reinosa | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 |
| 39078-Santiurde de Toranzo | 20 | 0 | 0 | 1 | 2 | 0 | 12 | 4 | 1 | 0 |
| 39079-Santoña | 113 | 0 | 2 | 2 | 17 | 39 | 32 | 17 | 4 | 0 |
| 39081-Saro | 4 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 1 | 0 |
| 39082-Selaya | 27 | 0 | 0 | 1 | 3 | 8 | 11 | 3 | 1 | 0 |
| 39083-Soba | 25 | 0 | 0 | 0 | 1 | 10 | 9 | 2 | 2 | 1 |
| 39084-Solórzano | 9 | 0 | 0 | 0 | 0 | 3 | 4 | 1 | 1 | 0 |
| 39085-Suances | 48 | 0 | 0 | 0 | 2 | 12 | 22 | 9 | 2 | 1 |
| 39086-Tojos (Los) | 3 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 |
| 39087-Torrelavega | 435 | 0 | 3 | 10 | 39 | 93 | 162 | 91 | 34 | 3 |
| 39088-Tresviso | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 39089-Tudanca | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 39090-Udías | 8 | 0 | 0 | 0 | 1 | 2 | 4 | 1 | 0 | 0 |
| 39095-Val de San Vicente | 30 | 0 | 0 | 0 | 4 | 11 | 4 | 8 | 3 | 0 |
| 39091-Valdáliga | 28 | 0 | 1 | 0 | 4 | 8 | 10 | 2 | 3 | 0 |
| 39092-Valdeolea | 11 | 0 | 0 | 1 | 1 | 2 | 4 | 3 | 0 | 0 |
| 39093-Valdeprado del Río | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 39094-Valderredible | 6 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 1 | 0 |
| 39096-Vega de Liébana | 8 | 0 | 0 | 0 | 1 | 5 | 1 | 0 | 1 | 0 |
| 39097-Vega de Pas | 18 | 0 | 0 | 1 | 5 | 5 | 5 | 1 | 0 | 1 |
| 39098-Villacarriedo | 22 | 0 | 0 | 1 | 0 | 7 | 11 | 2 | 0 | 1 |
| 39099-Villaescusa | 26 | 0 | 0 | 1 | 2 | 10 | 8 | 4 | 1 | 0 |
| 39100-Villafufre | 22 | 0 | 0 | 0 | 1 | 11 | 6 | 4 | 0 | 0 |
| 39101-Villaverde de Trucíos | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 39102-Voto | 25 | 0 | 0 | 1 | 4 | 8 | 9 | 3 | 0 | 0 |