A focused population profile of southeastern Bangladesh Bengalis, their eastern Bengal background, closest modern genetic matches, ancestry model, and World Genetics G25 heatmap.
Southeastern Bangladesh Bengalis are Bengali-speaking communities from the Chittagong-facing and hill-country-adjacent side of the Bengal Delta.
Bengali is central, while Chittagonian and other eastern Bengali varieties may shape local speech. The region sits near the Bay of Bengal, the Chittagong Hill Tracts, Tripura, and Myanmar-facing routes.
As a genetic reference, Bengali Bangladesh Southeast is useful for comparison with Bengali Bangladesh Sylhet, Bengali, Bengali Bangladesh, Bengali Bangladesh Brahmanbaria, Bengali India, Odia Khandayat, Garhwali Rajput, Chenchu, Kapu, and Indo-Trinidadian.
In the World Genetics modern G25 comparison, the closest non-self match for Bengali Bangladesh Southeast is Bengali Bangladesh Sylhet. Other nearby references include Bengali, Bengali Bangladesh, Bengali Bangladesh Brahmanbaria, and Kumaoni Scheduled Caste. This gives the Bengali Bangladesh Southeast profile its nearest modern genetic context inside the current reference database.
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The ancestry breakdown gives deeper component proportions, while closest matches show modern similarity. Southeastern Bangladesh Bengali ancestry is best read as eastern Bengali, with its nearest references being Sylhet, broader Bangladesh Bengali, Brahmanbaria, and Bengali India before more distant South Asian references appear.
The heatmap should emphasize southeastern Bangladesh, Chittagong-facing Bengal, Sylhet, Brahmanbaria, the Bengal Delta, northeastern India, and nearby Bay of Bengal regions.
The closest non-self match in this World Genetics comparison is Bengali Bangladesh Sylhet. Other nearby references include Bengali, Bengali Bangladesh, Bengali Bangladesh Brahmanbaria, and Kumaoni Scheduled Caste.
In the current modern G25 reference set, Bengali Bangladesh Sylhet is the closest listed match to the Bengali Bangladesh Southeast average after removing Bengali Bangladesh Southeast itself from the table.
The heatmap shows where modern reference populations are closer or farther from the Bengali Bangladesh Southeast G25 average, giving the closest-match results a geographic view.
