East Marmara region (statistical)

The East Marmara Region (Turkish: Doğu Marmara Bölgesi) (TR4) is a statistical region in Turkey.

Subregions and provinces

Bursa Subregion (TR41) Bursa Province (TR411) Eskişehir Province (TR412) Bilecik Province (TR413) Kocaeli Subregion (TR42) Kocaeli Province (TR421) Sakarya Province (TR422) Düzce Province (TR423) Bolu Province (TR424) Yalova Province (TR425)

Population

Structure of the population

Structure of the population (31.12.2024): Age group Male Female Total Percent Total 4,342,195 4,333,924 8,676,119 100 0–4 247,516 234,099 481,615 5.55 5–9 314,441 298,163 612,604 7.06 10–14 313,287 295,727 609,014 7.02 15–19 311,866 291,964 603,830 6.96 20–24 313,587 297,597 611,184 7.05 25–29 331,733 320,028 651,761 7.51 30–34 325,405 319,522 644,927 7.43 35–39 332,158 327,930 660,088 7.61 40–44 350,940 347,868 698,808 8.06 45–49 321,752 314,239 635,991 7.33 50–54 289,730 290,032 579,762 6.68 55–59 244,524 243,290 487,814 5.62 60–64 217,325 229,701 447,026 5.15 65–69 172,616 185,916 358,532 4.13 70–74 118,804 137,365 256,169 2.95 75–79 74,025 98,513 172,538 1.99 80–84 38,581 58,020 96,601 1.11 85–89 16,969 29,323 46,292 0.54 90+ 6,936 14,627 21,563 0.25 Age group Male Female Total Percent 0–14 875,244 827,989 1,703,233 19.63 15–64 3,039,020 2,982,171 6,021,191 69.40 65+ 427,931 523,764 951,695 10.97 Structure of the population (31.12.2025): Age group Male Female Total Percent Total 4,383,821 4,375,435 8,759,256 100 0–4 237,163 224,782 461,945 5.27 5–9 306,163 290,475 596,638 6.81 10–14 318,724 301,090 619,814 7.08 15–19 314,541 293,003 607,544 6.94 20–24 308,953 292,848 601,801 6.87 25–29 337,996 322,883 660,879 7.55 30–34 328,347 321,971 650,318 7.42 35–39 332,242 327,438 659,680 7.53 40–44 345,804 342,998 688,802 7.86 45–49 336,704 330,710 667,414 7.62 50–54 295,096 294,186 589,282 6.73 55–59 243,449 241,702 485,151 5.54 60–64 225,774 237,678 463,452 5.29 65–69 176,762 189,574 366,336 4.18 70–74 128,494 150,060 278,554 3.18 75–79 80,815 106,125 186,940 2.13 80–84 41,568 61,513 103,081 1.18 85–89 18,304 31,697 50,001 0.57 90+ 6,922 14,702 21,624 0.25 Age group Male Female Total Percent 0–14 862,050 816,347 1,678,397 19.16 15–64 3,068,906 3,005,417 6,074,323 69.35 65+ 452,865 553,671 1,006,536 11.49

Internal immigration

+ Between December 31, 2024 and December 31, 2025 Region Population Immigrants Emigrants Net immigrants Net immigration rate East Marmara 8,759,256 234,344 184,755 49,589 5.68

State register location of East Marmara residents

+ As of December 31, 2025 Region Population Percentage Istanbul 118,844 1.4 West Marmara 157,230 1.8 Aegean 265,097 3.0 East Marmara 4,499,368 51.4 West Anatolia 166,128 1.9 Mediterranean 181,564 2.1 Central Anatolia 318,249 3.6West Black Sea 617,775 7.0 East Black Sea 658,065 7.5 Northeast Anatolia 815,266 9.3 Central East Anatolia 489,089 5.6 Southeast Anatolia 313.796 3.6 Foreign National 158,785 1.8 Total 8,759,256 100

Marital status of 15+ population by gender

+ As of December 31, 2025TurkStat Gender Never married % Married % Divorced % Spouse died % Total Male 1,091,731 31.0 2,199,254 62.4 167,624 4.8 63,162 1.8 3,521,771 Female 797,179 22.4 2,195,932 61.7 207,217 5.8 358,760 10.1 3,559,088 Total 1,888,910 26.7 4,395,186 62.1 374,841 5.3 421,922 6.0 7,080,859

Education status of 15+ population by gender

+ As of December 31, 2025TurkStat Gender Illiterate % Literate with no diploma % Primary school % Primary education % Middle school % High school % College or university % Master's degree % Doctorate % Unknown % Total Male 12,822 0.4 26,712 0.8 419,481 12.2 283,922 8.2 651,707 18.9 1,214,671 35.2 720,894 20.9 83,043 2.4 14,706 0.4 22,345 0.6 3,450,303 Female 95,142 2.7 106,254 3.0 759,580 21.7 249,878 7.2 555,701 15.9 911,288 26.1 699,820 20.0 77,744 2.2 10,871 0.3 26,266 0.8 3,492,544 All genders 107,964 1.6 132,966 1.9 1,179,061 17.0 533,800 7.7 1,207,408 17.4 2,125,959 30.6 1,420,714 20.5 160,787 2.3 25,577 0.4 48,611 0.7 6,942,847

East Marmara region (statistical)

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