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Registered foreigners are counted across 192 nationalities.

Congo

People registered with Congo nationality number 40, which is less than 0.1% of all registered foreigners and ranks 137 in size. Compared with 71 in 2015, 10 years earlier, that is a decrease of about 43.7%. They live in 22 districts, and the largest counts are Incheon Yeonsu-gu with 8, Gyeonggi-do Gunpo-si with 3, and Gyeonggi-do Anyang-si Manan-gu with 3. The largest age group is 30-34 at 24%, and men are 80%. This value alone is based on staying foreigners. Estimated mother tongues are Kituba at 41% and Kikongo at 12.4%.

Source: MOJ Statistical Yearbook on Immigration and Foreign Policy 2025 (registered foreigners by nationality, registered foreigners by nationality and district, registered foreigners by status of stay), staying foreigners by nationality and age

The index of dissimilarity, the isolation index, and the location quotient are calculated from the open dataset.

Table 1.Key indicators and benchmarks, 2025Unit: people, organizations, index
2025
IndicatorsCongoAll registered foreignersRelative to total
Registered foreigners401,604,920under 0.1% of the total
Districts of residence222508.8% of the total
Index of dissimilarity (D)-0.280-
Isolation index-0.045-
Interaction with Koreans-0.955-
Continent---

Source: MOJ Statistical Yearbook (registered foreigners by nationality), segregation indicators from the open dataset.

Note: the dissimilarity index D measures how far a nationality's distribution across districts differs from that of Korean nationals; 0 means the two distributions match and 1 means complete separation. Isolation is the probability that a member meets someone of the same nationality, and interaction the probability of meeting a Korean resident. In the All registered foreigners column the three indices treat all registered foreigners as one group and use the same formulas. In the Relative to total column, rank 1 is the highest value among nationalities with 100 or more registered foreigners that year; in the continent row that column gives this nationality's share of all registered foreigners from the continent.

Figure 1.Congo nationals among registered foreigners, 2006–2025Unit: 10,000 persons

Source: MOJ Statistical Yearbook, each year.

Note: The vertical scale resets to the size of the selected nationality.

View as table
YearCongoVietnam
20062252,157
20073867,197
20081979,848
20091586,166
20101698,225
201115110,564
201217114,211
201323113,843
201458122,571
201571128,042
201634137,769
201719151,385
201825170,707
201925187,334
202022181,415
202121178,928
202225196,883
202325227,930
202427261,581
202540293,907
Table 2.Congo nationality, top 10 districts, 2025Unit: persons, %
2025
RankDistrictCongo NationalityShare of local foreigners
1Incheon Yeonsu-gu80.0
2Gyeonggi-do Gunpo-si30.1
3Gyeonggi-do Anyang-si Manan-gu30.1
4Seoul Yongsan-gu30.0
5Gyeonggi-do Suwon-si Jangan-gu20.0
6Gyeonggi-do Hwaseong-si20.0
7Daegu Dalseong-gun20.0
8Jeollabuk-do Buan-gun20.1
9Chungcheongnam-do Dangjin-si20.0
10Gyeonggi-do Ansan-si Sangnok-gu10.0

Source: MOJ Statistical Yearbook (registered foreigners by district and nationality).

Note: Nationwide, Congo nationality is 18.3% of all registered foreigners, so a district where the share among its foreigners is above this has relatively many of them.

Table 3.10 districts with the highest location quotient, 2025Unit: people, ratio, %
RankDistrictCongo NationalityLocation quotient (LQ)Share of local foreigners

Source: Location quotient from the open dataset.

Note: the location quotient is the local share divided by the national share; above 1.5 counts as over-representation.

Table 4.By status of stay Congo nationality, 2025Unit: persons, %
2025
Visa categoryPersonsShare
Other(G1)3075.0
Other statuses(ETC)410.0
Visiting Cohabitation(F1)25.0
General Trainee(D4)12.5
Researcher(E3)12.5
Permanent Residence(F5)12.5
Marriage Migration(F6)12.5

Source: MOJ Statistical Yearbook (registered foreigners by status of stay and nationality).

Note: The rows of this table add to 40, the whole of the Congo nationality.

Table 5.Age and sex, 2025Unit: persons, %
2025
Age groupTotalMaleFemaleShare
0-40000.0
5-90000.0
10-140000.0
15-190000.0
20-2464212.0
25-2955010.0
30-341211124.0
35-3976114.0
40-4487116.0
45-4964212.0
50-541102.0
55-590000.0
60+52310.0

Source: MOJ Statistical Yearbook (staying foreigners by nationality and age).

Only this table counts all foreign residents, so it totals 50 rather than the 40 registered foreigners

Figure 2.Composition by age and sex, 2025Unit: %
2025

Source: MOJ Statistical Yearbook (staying foreigners by nationality and age).

Note: The bar length is the share each cell holds within the whole nationality. This figure alone uses staying foreigners, so its total differs from registered foreigners.

Figure 3.Change in status-of-stay composition, 2008–2025Unit: %

Source: MOJ Statistical Yearbook, each year (registered foreigners by status of stay and nationality).

Note: The share each status holds within this nationality in that year. The five largest statuses in 2025 are drawn.

View as table
Year
200815.80.010.510.50.0
200913.30.020.013.30.0
201012.50.018.818.80.0
201113.30.026.720.00.0
201211.80.017.617.60.0
20138.70.013.013.00.0
20145.23.45.28.60.0
20154.24.22.88.50.0
201611.85.95.911.80.0
201721.10.010.510.50.0
201840.04.08.012.00.0
201952.04.08.04.00.0
202063.64.59.14.50.0
202157.19.59.54.80.0
202260.012.08.04.00.0
202360.016.08.04.00.0
202455.614.87.47.40.0
202575.010.05.02.52.5
Figure 4.Residential segregation and exposure over time, Unit: index
Indicators

Source: Segregation indicators from the open dataset.

Note: the dissimilarity index D measures how far a nationality's distribution across districts differs from that of Korean nationals, isolation is the probability that a member meets someone of the same nationality, and interaction the probability of meeting a Korean resident. The three run on different ranges, so they are selected one at a time.

View as table
YearIndex of dissimilarity (D)Isolation indexInteraction with Koreans
Table 6.Congo nationality, mother-tongue compositionUnit: %
First languageShare
Kituba41.0
Kikongo12.4
Lingala5.0
Mbosi4.5
Ngbaka Ma’bo3.7
Sango2.7
Bobangi2.5
Mbere2.5

Source: Ethnologue 24th edition, first-language shares by country.

Note: the estimated demand on the language page is this share multiplied by the registered foreign population of each nationality. Shares below 0.5% are not listed, and a person who speaks more than one language is not distinguished.

Figure 5.By province, Congo nationality, 2025Unit: persons
2025

Count range

    Note: The boundaries are shapes simplified for display and are drawn as pen lines. The fill values are the provincial totals from the yearbook and do not depend on the shapes.

    Source: MOJ Statistical Yearbook (registered foreigners by nationality and district), summed to the province level.

    View as table
    ProvinceCongo NationalityShare of national
    Gyeonggi-do1435.0
    Incheon922.5
    Seoul717.5
    Daegu25.0
    Jeollabuk-do25.0
    Chungcheongnam-do25.0
    Gyeongsangbuk-do12.5
    Busan12.5
    Ulsan12.5
    Chungcheongbuk-do12.5