| Madres de familias numerosas según edad. 48-Vizcaya |
| TOTAL | Menores de 25 | De 25 a 29 años | De 30 a 34 años | De 35 a 39 años | De 40 a 44 años | De 45 a 49 años | De 50 a 54 años | De 55 ó más | |
| TOTAL | 7625 | 35 | 174 | 711 | 1956 | 2304 | 1653 | 643 | 149 |
| 48001-Abadiño | 48 | 0 | 0 | 9 | 9 | 15 | 8 | 5 | 2 |
| 48002-Abanto y Ciérvana-Abanto Zierbena | 46 | 1 | 3 | 5 | 14 | 16 | 7 | 0 | 0 |
| 48911-Ajangiz | 5 | 0 | 0 | 0 | 1 | 2 | 2 | 0 | 0 |
| 48912-Alonsotegi | 10 | 0 | 1 | 2 | 1 | 3 | 2 | 0 | 1 |
| 48003-Amorebieta-Etxano | 103 | 0 | 1 | 11 | 32 | 28 | 15 | 13 | 3 |
| 48004-Amoroto | 5 | 0 | 0 | 0 | 3 | 2 | 0 | 0 | 0 |
| 48005-Arakaldo | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 48006-Arantzazu | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 48093-Areatza | 9 | 0 | 0 | 0 | 4 | 2 | 2 | 1 | 0 |
| 48009-Arrankudiaga | 3 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 |
| 48914-Arratzu | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 48010-Arrieta | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 48011-Arrigorriaga | 57 | 1 | 1 | 5 | 13 | 17 | 16 | 3 | 1 |
| 48023-Artea | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 48008-Artzentales | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
| 48091-Atxondo | 13 | 0 | 0 | 1 | 3 | 3 | 5 | 1 | 0 |
| 48070-Aulesti | 3 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 |
| 48012-Bakio | 14 | 0 | 0 | 0 | 5 | 4 | 3 | 2 | 0 |
| 48090-Balmaseda | 37 | 1 | 2 | 2 | 7 | 10 | 12 | 2 | 1 |
| 48013-Barakaldo | 424 | 0 | 11 | 39 | 106 | 140 | 91 | 30 | 7 |
| 48014-Barrika | 13 | 0 | 1 | 0 | 2 | 2 | 4 | 3 | 1 |
| 48015-Basauri | 214 | 0 | 11 | 15 | 52 | 61 | 52 | 17 | 6 |
| 48092-Bedia | 5 | 0 | 0 | 0 | 3 | 2 | 0 | 0 | 0 |
| 48016-Berango | 36 | 0 | 1 | 2 | 5 | 14 | 11 | 3 | 0 |
| 48017-Bermeo | 96 | 1 | 4 | 8 | 34 | 27 | 18 | 3 | 1 |
| 48018-Berriatua | 9 | 0 | 0 | 2 | 1 | 3 | 1 | 2 | 0 |
| 48019-Berriz | 27 | 0 | 0 | 1 | 11 | 7 | 8 | 0 | 0 |
| 48020-Bilbao | 2437 | 18 | 61 | 249 | 616 | 749 | 499 | 203 | 42 |
| 48021-Busturia | 7 | 0 | 0 | 0 | 4 | 2 | 0 | 1 | 0 |
| 48901-Derio | 16 | 0 | 0 | 3 | 3 | 5 | 4 | 1 | 0 |
| 48026-Dima | 6 | 0 | 0 | 0 | 1 | 3 | 1 | 1 | 0 |
| 48027-Durango | 210 | 0 | 1 | 19 | 64 | 55 | 50 | 19 | 2 |
| 48028-Ea | 5 | 0 | 1 | 0 | 0 | 2 | 1 | 1 | 0 |
| 48031-Elantxobe | 4 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 1 |
| 48032-Elorrio | 36 | 0 | 0 | 5 | 5 | 13 | 8 | 4 | 1 |
| 48902-Erandio | 105 | 1 | 3 | 6 | 22 | 34 | 27 | 9 | 3 |
| 48033-Ereño | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 48034-Ermua | 97 | 0 | 2 | 8 | 17 | 38 | 23 | 7 | 2 |
| 48079-Errigoiti | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 48029-Etxebarri Anteiglesia de San Esteban-Etxebarri Doneztebeko El | 44 | 0 | 1 | 5 | 17 | 13 | 5 | 2 | 1 |
| 48030-Etxebarria | 9 | 0 | 0 | 3 | 2 | 3 | 1 | 0 | 0 |
| 48906-Forua | 7 | 0 | 0 | 1 | 0 | 3 | 3 | 0 | 0 |
| 48035-Fruiz | 5 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 0 |
| 48036-Galdakao | 172 | 0 | 1 | 13 | 34 | 65 | 42 | 14 | 3 |
| 48037-Galdames | 4 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 |
| 48038-Gamiz-Fika | 13 | 1 | 2 | 1 | 5 | 3 | 1 | 0 | 0 |
| 48039-Garay | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| 48040-Gatika | 11 | 0 | 1 | 2 | 2 | 3 | 2 | 1 | 0 |
| 48041-Gautegiz Arteaga | 9 | 0 | 0 | 0 | 2 | 5 | 2 | 0 | 0 |
| 48046-Gernika-Lumo | 93 | 0 | 1 | 8 | 24 | 22 | 27 | 9 | 2 |
| 48044-Getxo | 1163 | 0 | 8 | 70 | 268 | 338 | 290 | 149 | 40 |
| 48047-Gizaburuaga | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 48042-Gordexola | 6 | 0 | 0 | 0 | 3 | 1 | 2 | 0 | 0 |
| 48043-Gorliz | 44 | 0 | 1 | 6 | 14 | 12 | 10 | 1 | 0 |
| 48045-Güeñes | 24 | 0 | 2 | 3 | 4 | 7 | 5 | 3 | 0 |
| 48048-Ibarrangelu | 3 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 |
| 48094-Igorre | 24 | 1 | 0 | 2 | 7 | 8 | 5 | 1 | 0 |
| 48049-Ispaster | 3 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 |
| 48910-Iurreta | 31 | 0 | 0 | 4 | 5 | 10 | 9 | 3 | 0 |
| 48050-Izurtza | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
| 48022-Karrantza Harana/Valle de Carranza | 28 | 0 | 0 | 3 | 7 | 7 | 8 | 1 | 2 |
| 48907-Kortezubi | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| 48051-Lanestosa | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
| 48052-Larrabetzu | 10 | 0 | 2 | 1 | 1 | 3 | 2 | 0 | 1 |
| 48053-Laukiz | 15 | 0 | 0 | 1 | 4 | 5 | 2 | 2 | 1 |
| 48054-Leioa | 228 | 1 | 4 | 18 | 72 | 63 | 39 | 29 | 2 |
| 48057-Lekeitio | 39 | 0 | 1 | 2 | 13 | 11 | 8 | 3 | 1 |
| 48055-Lemoa | 13 | 0 | 2 | 2 | 2 | 5 | 2 | 0 | 0 |
| 48056-Lemoiz | 12 | 0 | 0 | 1 | 5 | 5 | 1 | 0 | 0 |
| 48081-Lezama | 15 | 0 | 0 | 0 | 5 | 2 | 6 | 1 | 1 |
| 48903-Loiu | 24 | 0 | 0 | 4 | 2 | 10 | 2 | 6 | 0 |
| 48058-Mallabia | 4 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 |
| 48060-Markina-Xemein | 48 | 0 | 1 | 2 | 16 | 17 | 9 | 2 | 1 |
| 48061-Maruri-Jatabe | 7 | 0 | 0 | 0 | 1 | 2 | 3 | 1 | 0 |
| 48059-Mañaria | 5 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 1 |
| 48062-Mendata | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 48063-Mendexa | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 48064-Meñaka | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| 48066-Morga | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
| 48068-Mundaka | 8 | 0 | 0 | 3 | 1 | 0 | 2 | 2 | 0 |
| 48069-Mungia | 159 | 1 | 2 | 20 | 40 | 43 | 42 | 8 | 3 |
| 48007-Munitibar-Arbatzegi Gerrikaitz | 6 | 0 | 0 | 1 | 1 | 1 | 3 | 0 | 0 |
| 48908-Murueta | 5 | 0 | 0 | 1 | 2 | 1 | 1 | 0 | 0 |
| 48071-Muskiz | 38 | 0 | 1 | 1 | 12 | 12 | 10 | 2 | 0 |
| 48067-Muxika | 5 | 0 | 0 | 0 | 1 | 1 | 3 | 0 | 0 |
| 48909-Nabarniz | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 48073-Ondarroa | 57 | 0 | 0 | 12 | 13 | 15 | 14 | 3 | 0 |
| 48075-Orozko | 10 | 0 | 1 | 0 | 5 | 0 | 3 | 1 | 0 |
| 48083-Ortuella | 44 | 0 | 3 | 8 | 8 | 15 | 7 | 2 | 1 |
| 48072-Otxandio | 7 | 0 | 0 | 1 | 1 | 2 | 1 | 2 | 0 |
| 48077-Plentzia | 43 | 0 | 0 | 7 | 10 | 16 | 8 | 1 | 1 |
| 48078-Portugalete | 218 | 0 | 4 | 20 | 64 | 66 | 44 | 16 | 4 |
| 48082-Santurtzi | 256 | 3 | 12 | 32 | 70 | 70 | 52 | 12 | 5 |
| 48084-Sestao | 179 | 4 | 11 | 30 | 62 | 44 | 16 | 10 | 2 |
| 48904-Sondika | 16 | 0 | 0 | 0 | 7 | 4 | 4 | 1 | 0 |
| 48085-Sopelana | 112 | 0 | 1 | 8 | 26 | 42 | 27 | 8 | 0 |
| 48086-Sopuerta | 9 | 0 | 0 | 1 | 2 | 3 | 2 | 1 | 0 |
| 48076-Sukarrieta | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 48087-Trucios-Turtzioz | 3 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 |
| 48088-Ubide | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 48065-Ugao-Miraballes | 17 | 0 | 2 | 0 | 7 | 5 | 2 | 1 | 0 |
| 48089-Urduliz | 29 | 0 | 0 | 3 | 11 | 6 | 7 | 1 | 1 |
| 48074-Urduña-Orduña | 27 | 1 | 1 | 2 | 7 | 7 | 8 | 0 | 1 |
| 48080-Valle de Trápaga-Trapagaran | 55 | 0 | 2 | 4 | 13 | 24 | 8 | 4 | 0 |
| 48095-Zaldibar | 13 | 0 | 0 | 1 | 2 | 7 | 3 | 0 | 0 |
| 48096-Zalla | 31 | 0 | 0 | 5 | 7 | 10 | 8 | 1 | 0 |
| 48905-Zamudio | 13 | 0 | 0 | 0 | 2 | 6 | 4 | 1 | 0 |
| 48097-Zaratamo | 9 | 0 | 1 | 1 | 5 | 2 | 0 | 0 | 0 |
| 48024-Zeanuri | 11 | 0 | 0 | 1 | 2 | 3 | 4 | 1 | 0 |
| 48025-Zeberio | 9 | 0 | 1 | 2 | 4 | 1 | 0 | 1 | 0 |
| 48913-Zierbena | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |