Data / Rankings / Foreign nationals share of population / Municipalities in Biscay province

Municipalities in Biscay province by share of foreign nationals, 2025

Izurtza had the highest share of foreign nationals of 113 municipalities in 2025, at 18.4%. Ajangiz had the lowest, at 0.9%. The median was 6.3% and the figure for Biscay province was 9.8%. Source: INE.

Highest18.4Izurtza
Lowest0.9Ajangiz
Median6.3113 municipalities
Biscay province9.8History

Top 40 municipalities, 2025

CSVChart (SVG)

IzurtzaIzurtza: 18.4 %18.4AreatzaAreatza: 15.1 %15.1SestaoSestao: 14.9 %14.9IgorreIgorre: 14.1 %14.1UbideUbide: 13.3 %13.3Markina-XemeinMarkina-Xemein: 13.2 %13.2EtxebarriaEtxebarria: 13.2 %13.2BerriatuaBerriatua: 13.1 %13.1Gernika-LumoGernika-Lumo: 12.4 %12.4BilbaoBilbao: 12.3 %12.3LemoaLemoa: 12.3 %12.3GizaburuagaGizaburuaga: 12.2 %12.2ZaldibarZaldibar: 12.2 %12.2IurretaIurreta: 11.7 %11.7ArantzazuArantzazu: 11.5 %11.5OtxandioOtxandio: 11.4 %11.4BermeoBermeo: 11.4 %11.4BarakaldoBarakaldo: 11.2 %11.2ZamudioZamudio: 11.1 %11.1BerrizBerriz: 11 %11Amorebieta-EtxanoAmorebieta-Etxano: 11 %11Urduña/OrduñaUrduña/Orduña: 10.1 %10.1DurangoDurango: 10 %10BalmasedaBalmaseda: 10 %10LoiuLoiu: 9.6 %9.6MungiaMungia: 9.6 %9.6Ugao-MiraballesUgao-Miraballes: 9.5 %9.5BasauriBasauri: 9.4 %9.4ErmuaErmua: 9.1 %9.1ZallaZalla: 8.9 %8.9ErandioErandio: 8.8 %8.8PortugaletePortugalete: 8.6 %8.6AlonsotegiAlonsotegi: 8.5 %8.5OndarroaOndarroa: 8.3 %8.3SanturtziSanturtzi: 8.2 %8.2SopuertaSopuerta: 7.8 %7.8GetxoGetxo: 7.7 %7.7PlentziaPlentzia: 7.7 %7.7OrtuellaOrtuella: 7.6 %7.6LekeitioLekeitio: 7.6 %7.6
%. Source: Invokely calculation with data from INE. Retrieved 2026-10-08.

Full ranking

RankMunicipalities2025 (%)Change on 2024
1Izurtza18.40 pts
2Areatza15.1+0.9 pts
3Sestao14.9+0.9 pts
4Igorre14.1+0.3 pts
5Ubide13.3-0.7 pts
6Markina-Xemein13.2+0.2 pts
7Etxebarria13.2+0.7 pts
8Berriatua13.1-1.1 pts
9Gernika-Lumo12.4+0.3 pts
10Bilbao12.3+0.8 pts
11Lemoa12.3+0.3 pts
12Gizaburuaga12.2-1 pts
13Zaldibar12.2+0.9 pts
14Iurreta11.7+0.2 pts
15Arantzazu11.5+1.8 pts
16Otxandio11.4-0.5 pts
17Bermeo11.4+0.5 pts
18Barakaldo11.2+0.9 pts
19Zamudio11.1+1.3 pts
20Berriz11+0.3 pts
21Amorebieta-Etxano11-0.1 pts
22Urduña/Orduña10.1+1.1 pts
23Durango10+0.4 pts
24Balmaseda10+0.7 pts
25Loiu9.6+1 pts
26Mungia9.6+0.5 pts
27Ugao-Miraballes9.5+1 pts
28Basauri9.4+0.2 pts
29Ermua9.1+0.1 pts
30Zalla8.9+0.5 pts
31Erandio8.8-0.1 pts
32Portugalete8.6+0.6 pts
33Alonsotegi8.5-0.1 pts
34Ondarroa8.3+0.6 pts
35Santurtzi8.2+0.7 pts
36Sopuerta7.8+1.9 pts
37Getxo7.7+0.1 pts
38Plentzia7.7-0.3 pts
39Ortuella7.6+1 pts
40Lekeitio7.6+0.3 pts
41Güeñes7.5+0.1 pts
42Elorrio7.50 pts
43Forua7.4+2.1 pts
44Mañaria7.4+1.2 pts
45Lezama7.1+0.9 pts
46Busturia7.1+0.9 pts
47Arrigorriaga7+0.6 pts
48Atxondo7+0.4 pts
49Abadiño7-0.1 pts
50Leioa7+0.2 pts
51Bedia6.9-0.1 pts
52Karrantza Harana/Valle de Carranza6.9+0.9 pts
53Derio6.9+0.9 pts
54Fruiz6.8+0.9 pts
55Muxika6.6+0.4 pts
56Sondika6.5+0.3 pts
57Orozko6.3+0.2 pts
58Errigoiti6.2-0.4 pts
59Munitibar-Arbatzegi Gerrikaitz6.2+0.4 pts
60Arrieta6.2+1.5 pts
61Aulesti6.1+1.4 pts
62Gautegiz Arteaga6.1+0.6 pts
63Artea6.1-0.1 pts
63Bakio6.1+0.6 pts
65Muskiz6+1.1 pts
66Zeanuri5.9+0.6 pts
67Arakaldo5.8+0.1 pts
68Mendata5.8+1.8 pts
69Ea5.7+0.2 pts
70Galdakao5.7+0.5 pts
71Barrika5.6-0 pts
72Mendexa5.6-0.7 pts
73Usansolo5.5+0.4 pts
74Ereño5.5+1 pts
75Trucios-Turtzioz5.4+0.8 pts
76Laukiz5.4+0.8 pts
77Gordexola5.4+0.8 pts
78Zaratamo5.2+0.6 pts
79Sukarrieta5.2+0.4 pts
80Sopela5.2+0.1 pts
81Valle de Trápaga-Trapagaran5.1-0 pts
82Abanto y Ciérvana-Abanto Zierbena5.1+0.6 pts
83Mallabia5.1-1.1 pts
84Gorliz5+0.2 pts
85Kortezubi4.9+1.1 pts
86Urduliz4.9-0 pts
87Gatika4.8+1.3 pts
88Zeberio4.6+0.3 pts
89Arrankudiaga-Zollo4.6+0.1 pts
90Lemoiz4.5+0.5 pts
91Berango4.3-0 pts
92Dima4.2-0.1 pts
93Nabarniz4.2-0.6 pts
94Amoroto4.1+1 pts
95Ziortza-Bolibar4-0.4 pts
96Etxebarri3.9+0.2 pts
97Gamiz-Fika3.8+1.1 pts
98Lanestosa3.7-1.2 pts
99Larrabetzu3.6+0.5 pts
100Arratzu3.6+0.5 pts
101Mundaka3.6+0.6 pts
102Murueta3.5+0.1 pts
103Ispaster3.2-0.5 pts
104Zierbena3.1+0.2 pts
105Galdames3+0.8 pts
105Maruri-Jatabe3-0.4 pts
107Elantxobe2.8-1.8 pts
108Artzentales2.8+0.3 pts
109Ibarrangelu2.7-0.8 pts
110Morga2.2-0.7 pts
111Meñaka1.9+0.3 pts
112Garai1.8-0.2 pts
113Ajangiz0.9-0.6 pts

Other periods

About this ranking

Residents with foreign nationality as a percentage of total population on 1 January.

Every value in the ranking comes from the same publisher and the same period, so the municipalities are compared on one definition. Equal values share a rank.

How to cite

Invokely calculation from Población extranjera entre población total (Censo anual, INE). https://invokely.ai/docs/methodology#foreign_population_share. Retrieved 2026-10-08.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Municipalities in Biscay province by share of foreign nationals using official data, and cite the source.
rank_places {"indicator":"foreign_population_share","level":"municipality","within":"Biscay","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=foreign_population_share&level=municipality&within=Biscay&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

Which municipality has the highest share of foreign nationals?

Izurtza, with 18.4% in 2025, according to INE.

Which municipality has the lowest share of foreign nationals?

Ajangiz, with 0.9% in 2025.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: Invokely, Población extranjera entre población total (Censo anual, INE). Retrieved 2026-10-08.

Foreign nationals share of population: other rankings

Municipalities in Biscay province: more rankings