Explore Late Jomon genetic evidence, the Funadomari genomes and the limits of archipelago-wide averages.
📍 RegionJapan
🧬 Closest modern matchJapanese-Brazilian
⏳ Time periodLate Jomon
Late Jomon: northern island genomes and regional histories
Late Jomon research includes some of the most informative ancient genomes from northern Japan. These help reveal deep ancestry while also showing why local context matters.
The Funadomari example
A 2019 study analysed a woman and a man from Funadomari on Rebun Island, Hokkaido, dating to about 3,500–3,800 years ago. Their community’s setting included fishing and hunting of land and marine animals. These findings concern a northern island population, not every Late Jomon community.
The female genome showed substantial homozygosity by descent, but relatively few very long tracts. The authors interpreted this pattern as evidence of a small ancestral population. This inference concerns the studied individual and demographic model; it does not establish identical population sizes for all Jomon communities.
The Funadomari genomes showed a deeply separated East Eurasian ancestry history. Research on the Ikawazu individual from Honshu supplied another geographic perspective, although that individual is later and should not be silently relabelled as a member of this Late Jomon reference.
Putting such studies together is more informative than treating the best-preserved genome as a complete substitute for the archipelago. Similarities can indicate shared history, while local differences and uneven preservation constrain the detail of the reconstruction.
This reference is labelled n=4. The dataset title does not identify the four constituent records or confirm which published individuals are included. Funadomari is therefore cited as directly relevant Late Jomon research, not as a verified sample crosswalk.
Comparison with earlier Jomon references explores change within the archaeological sequence. Comparison with modern populations instead reflects later admixture and drift as well as older shared ancestry. Neither a closest match nor a heatmap colour is evidence that a living community has remained genetically or culturally unchanged since the Late Jomon period.
In the World Genetics modern G25 comparison, the closest non-self match for Japan Jomon Late is Japanese-Brazilian. Other nearby references include Aeta, Agta, Ryukyuan, and Marquesan Nuku Hiva (European+East Asian-Mixed). This gives the Japan Jomon Late profile its nearest modern genetic context inside the current reference database.
Closest Matches
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Distance
What does Japan Jomon Late ancestry look like?
The ancestral breakdown below loads the best-fitting World Genetics calculator for the Japan Jomon Late average. It should be read as a model of deep ancestry components, while the closest-match table is the better guide to which modern populations are most similar in G25 space.
Ancestral Breakdown
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Loading ancestral breakdown.
Where is Japan Jomon Late DNA closest on the map?
The heatmap gives the Japan Jomon Late profile a geographic shape. Warmer areas mark regions where available modern reference populations sit closer to the Japan Jomon Late average, while cooler areas represent more distant matches.
What populations are genetically closest to Japan Jomon Late?
The closest non-self match in this World Genetics comparison is Japanese-Brazilian. Other nearby references include Aeta, Agta, Ryukyuan, and Marquesan Nuku Hiva (European+East Asian-Mixed).
Is Japan Jomon Late DNA closest to Japanese-Brazilian?
In the current modern G25 reference set, Japanese-Brazilian is the closest listed match to the Japan Jomon Late average after removing Japan Jomon Late itself from the table.
What does the Japan Jomon Late heatmap show?
The heatmap shows where modern reference populations are closer or farther from the Japan Jomon Late G25 average, giving the closest-match results a geographic view.
