Lang Son's 2026 population is now estimated at 818,001. In 1999, the population of Lang Son was 703,824. Lang Son has grown by 5,294 in the last year, which represents a 0.65% annual change. These population values and projections come from Vietnam province census series 1999-2019 via CityPopulation official attribution and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Ho Chi Minh City | 10,545,905 | 2.3% |
| Hanoi | 9,406,046 | 2.24% |
| Thanh Hoa | 3,817,771 | 0.68% |
| Nghe An | 3,653,651 | 1.34% |
| Dong Nai | 3,612,068 | 2.22% |
| Binh Duong | 3,427,548 | 5.06% |
| Hai Phong City | 2,174,190 | 1% |
| Hai Duong | 2,035,389 | 1.05% |
| Bac Giang | 2,002,351 | 1.5% |
| Dak Lak | 1,970,582 | 0.76% |
| Thai Binh | 1,917,525 | 0.43% |
| Long An | 1,891,256 | 1.63% |
| Tien Giang | 1,831,514 | 0.54% |
| An Giang | 1,759,727 | -1.15% |
| Kien Giang | 1,747,867 | 0.2% |
| Nam Dinh | 1,747,733 | -0.26% |
| Gia Lai | 1,707,743 | 1.74% |
| Bac Ninh | 1,676,677 | 2.94% |
| Phu Tho | 1,576,568 | 1.07% |
| Dong Thap | 1,554,237 | -0.41% |
| Quang Nam | 1,549,505 | 0.51% |
| Binh Dinh | 1,487,235 | 0% |
| Quang Ninh | 1,458,801 | 1.44% |
| Thai Nguyen | 1,415,283 | 1.37% |
| Son La | 1,385,243 | 1.5% |
| Lam Dong | 1,379,374 | 0.88% |
| Hung Yen | 1,348,243 | 1.06% |
| Da Nang City | 1,346,940 | 2.48% |
| Ha Tinh | 1,333,990 | 0.49% |
| Ben Tre | 1,311,725 | 0.26% |
| Khanh Hoa | 1,285,319 | 0.62% |
| Binh Thuan | 1,277,521 | 0.53% |
| Vinh Phuc | 1,270,550 | 1.42% |
| Can Tho City | 1,268,975 | 0.39% |
| Ba Ria - Vung Tau | 1,267,981 | 1.43% |
| Tay Ninh | 1,246,845 | 0.92% |
| Quang Ngai | 1,242,253 | 0.12% |
| Ca Mau | 1,185,829 | -0.1% |
| Thua Thien - Hue | 1,158,385 | 0.37% |
| Soc Trang | 1,138,440 | -0.75% |
| Binh Phuoc | 1,089,288 | 1.31% |
| Ninh Binh | 1,045,500 | 0.89% |
| Vinh Long | 1,021,452 | -0.02% |
| Tra Vinh | 1,013,500 | 0.06% |
| Ha Giang | 959,451 | 1.67% |
| Bac Lieu | 944,515 | 0.58% |
| Quang Binh | 932,594 | 0.58% |
| Hoa Binh | 905,939 | 0.84% |
| Ha Nam | 904,485 | 0.84% |
| Yen Bai | 882,643 | 1.04% |
| Phu Yen | 880,556 | 0.12% |
| Tuyen Quang | 829,734 | 0.8% |
| Lao Cai | 824,254 | 1.74% |
| Lang Son | 818,001 | 0.65% |
| Dak Nong | 736,009 | 2.43% |
| Hau Giang | 716,484 | -0.33% |
| Dien Bien | 688,844 | 2.02% |
| Quang Tri | 657,357 | 0.55% |
| Kon Tum | 634,083 | 2.31% |
| Ninh Thuan | 608,979 | 0.44% |
| Cao Bang | 547,178 | 0.45% |
| Lai Chau | 535,611 | 2.19% |
| Bac Kan | 328,771 | 0.66% |
