A new scientific study has found that migration during the Bronze Age in Greece happened at a steady but limited pace, with young, single adults doing most of the moving rather than entire families relocating together. The findings give one of the clearest pictures yet of how people moved across the region thousands of years ago.
The study, published this week in the journal PLOS One, examined strontium isotope data from 199 skeletons found at six archaeological sites in central and southern Greece. Strontium builds up in bones and teeth through food and water, and its chemical signature can reveal where a person spent their early childhood, even when no written records survive from that era.
Researchers led by Anja B. Frank studied remains from major sites including Kirrha, Ayios Vasileios and Voudeni, along with smaller sites such as Apollo Maleatas, Keros and Kalyvia.
By comparing each skeleton’s chemical makeup to a baseline built from the surrounding land and from the community’s own burial population, the team was able to flag individuals whose early diet did not match where they were later buried.
Bronze Age migration in Greece stayed under 10 percent
Out of the 199 people studied, only 17 were identified as newcomers to the place where they were buried, a rate of about 8.5 percent. Researchers said that level of migration remained fairly steady across different stages of the Bronze Age in Greece, rising only slightly by the time the Mycenaean civilization was flourishing on the mainland.
The data showed no strong pattern tied to gender, though men appeared somewhat more likely to have relocated than women. Age made a clearer difference. None of the individuals under 18 showed signs of having moved, while adults between 18 and 30 were the most likely group to have left home, accounting for 14 percent of that age range.
Researchers said this pattern points to young adults striking out on their own rather than whole households packing up and resettling together.
High-status and ordinary graves both included newcomers
The study also found that some newcomers were buried in elaborate tombs surrounded by valuable offerings, showing that mobility was not limited to people of low status. Most migrants, however, received ordinary burials, suggesting that both common people and members of the elite traveled and settled in new communities during this period.
Researchers cautioned that because strontium levels overlap across much of Greece and neighboring Mediterranean regions, some movement likely went undetected, meaning the real number of newcomers could be higher than isotopes alone can show.
Even so, the study adds evidence that ancient communities grew mainly through the arrival of individuals, not through mass family migration.
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