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Mapped: Europe’s Surging Migrant Population (2000–2024)

How Has Europe’s Migrant Population Changed Since 2000?

Key Takeaways:

  • Europe’s resident migrant population grew by 40.8 million, or 67%, between 2000 and 2024.
  • The UK added the most migrants in absolute terms (7.1 million), followed by Spain (6.8 million) and Germany (6.4 million).
  • Malta recorded the largest percentage increase (827%), while Bosnia and Herzegovina saw the steepest decline (-59%).

Europe’s migrant population has expanded significantly since 2000, reshaping labor markets and demographics across the continent.

This visualization uses United Nations Department of Economic and Social Affairs (UN DESA) estimates to compare resident migrant populations between July 2000 and July 2024. Depending on country-level definitions, the estimates may include refugees, asylum seekers, and naturalized residents.

The figures measure changes in the number of migrants living in each country, rather than cumulative arrivals or net migration flows.

Which European Countries Added the Most Migrants?

The following table ranks European countries by the absolute increase in their resident migrant populations:

Rank Country Migrant Population
2000 2024 Growth
1 UK 4,747,902 11,845,479 7,097,577
2 Spain 2,023,886 8,870,527 6,846,641
3 Germany 10,397,459 16,750,084 6,352,625
4 Türkiye 1,279,019 7,083,501 5,804,482
5 Italy 2,143,259 6,553,671 4,410,412
6 France 6,141,350 9,186,757 3,045,407
7 Austria 920,045 2,327,064 1,407,019
8 Netherlands 1,584,638 2,956,518 1,371,880
9 Switzerland 1,484,514 2,773,840 1,289,326
10 Belgium 1,076,676 2,349,032 1,272,356
11 Sweden 1,022,156 2,272,158 1,250,002
12 Poland 822,627 1,739,901 917,274
13 Ireland 376,321 1,216,237 839,916
14 Norway 292,440 1,012,404 719,964
15 Romania 134,204 655,579 521,375
16 Portugal 651,472 1,127,184 475,712
17 Denmark 372,128 847,475 475,347
18 Hungary 296,957 689,565 392,608
19 Czechia 639,018 1,025,199 386,181
20 Finland 136,203 514,432 378,229
21 Greece 1,111,665 1,423,964 312,299
22 Bulgaria 43,360 299,100 255,740
23 Slovakia 116,376 323,991 207,615
24 Luxembourg 139,750 344,309 204,559
25 Malta 21,521 199,466 177,945
26 Cyprus 80,076 202,062 121,986
27 Slovenia 214,508 315,122 100,614
28 Iceland 15,892 98,818 82,926
29 North Macedonia 125,665 150,902 25,237
30 Montenegro 73,743 92,237 18,494
31 Liechtenstein 15,483 27,669 12,186
32 Monaco 21,787 27,106 5,319
33 Albania 76,695 46,377 -30,318
34 Lithuania 214,311 175,194 -39,117
35 Estonia 249,512 203,046 -46,466
36 Bosnia and Herzegovina 82,952 34,120 -48,832
37 Croatia 585,298 527,831 -57,467
38 Moldova 250,134 188,207 -61,927
39 Belarus 1,123,586 1,054,604 -68,982
40 Latvia 430,178 220,471 -209,707
41 Ukraine 5,527,087 5,064,173 -462,914
42 Serbia 1,419,951 712,550 -707,401
43 Russia 11,900,297 7,605,774 -4,294,523

Together, the UK, Spain, and Germany accounted for nearly half of Europe’s total increase, adding approximately 20.4 million migrants.

However, the percentage rankings tell a different story. Smaller countries recorded some of the largest proportional gains, led by Malta (+827%), Bulgaria (+590%), and Iceland (+522%).

Rank Country Growth in resident migrant population %(2000-2024) Change (people)
1 Malta 826.8 177,945
2 Bulgaria 589.8 255,740
3 Iceland 521.8 82,926
4 Türkiye 453.8 5,804,482
5 Romania 388.5 521,375
6 Spain 338.3 6,846,641
7 Finland 277.7 378,229
8 Norway 246.2 719,964
9 Ireland 223.2 839,916
10 Italy 205.8 4,410,412
11 Slovakia 178.4 207,615
12 Austria 152.9 1,407,019
13 Cyprus 152.3 121,986
14 UK 149.5 7,097,577
15 Luxembourg 146.4 204,559
16 Hungary 132.2 392,608
17 Denmark 127.7 475,347
18 Sweden 122.3 1,250,002
19 Belgium 118.2 1,272,356
20 Poland 111.5 917,274
21 Switzerland 86.9 1,289,326
22 Netherlands 86.6 1,371,880
23 Liechtenstein 78.7 12,186
24 Portugal 73 475,712
25 Germany 61.1 6,352,625
26 Czechia 60.4 386,181
27 France 49.6 3,045,407
28 Slovenia 46.9 100,614
29 Greece 28.1 312,299
30 Montenegro 25.1 18,494
31 Monaco 24.4 5,319
32 North Macedonia 20.1 25,237
33 Belarus -6.1 -68,982
34 Ukraine -8.4 -462,914
35 Croatia -9.8 -57,467
36 Lithuania -18.3 -39,117
37 Estonia -18.6 -46,466
38 Moldova -24.8 -61,927
39 Russia -36.1 -4,294,523
40 Albania -39.5 -30,318
41 Latvia -48.7 -209,707
42 Serbia -49.8 -707,401
43 Bosnia and Herzegovina -58.9 -48,832

Spain’s migrant population more than quadrupled, partly reflecting its early-2000s construction boom and a 2005 regularization program that attracted nearly 700,000 applications.

Meanwhile, the UK’s migrant population rose 149% over the period. More recently, however, migration trends have shifted. According to the Office for National Statistics, annual net migration fell to 171,000 in 2025, following tighter visa rules.

Not every country experienced growth. Russia recorded the largest absolute decline, with its resident migrant population falling by approximately 4.3 million. Serbia, Ukraine, and several other Eastern European countries also recorded decreases.

Why Has Europe Become a Migration Hub?

Economic opportunities, EU freedom of movement, family reunification, and humanitarian protection have all contributed to Europe’s growing migrant population.

An aging workforce has also increased demand for foreign workers in healthcare, construction, and hospitality. These pressures help explain broader immigration trends across developed economies.

Conflicts have also reshaped migration patterns, particularly the Syrian refugee crisis and Russia’s invasion of Ukraine.

What Does Rising Immigration Mean for Europe?

Immigration can ease labor shortages, expand the tax base, and help offset demographic decline. However, rapid population growth can also strain housing, schools, and public services, especially when infrastructure fails to keep pace.

Policies governing work permits, housing, language training, and recognition of foreign qualifications help determine how successfully newcomers integrate. These challenges are particularly relevant as some countries also experience heightened emigration among their native-born populations.

Ultimately, Europe’s migration story is not simply about attracting more people, but about how effectively countries accommodate and integrate them.

Learn More on the Voronoi App

To explore migration beyond Europe, see The Top 15 Sources of U.S. Immigrants on Voronoi, which highlights the countries shaping America’s immigrant population.