Global25 (G25) ancestry analysis

Our Global25 analysis starts from a coordinate row you already have. We do not produce Global25 coordinates from a raw DNA export, and raw files are rejected on a Global25 order.

If you are starting from a raw DNA file instead, the product you want is qpAdm: that one uploads your raw export, merges it against the Allen Ancient DNA Resource, and returns a formally tested ancestry model with p-values and standard errors.

Price

€39.90, one-time. No subscription.

Input

Your own Global25 coordinate row, pasted in

Reference set

30,386 individual samples across 1,535 curated populations

Eras

Six — Late Bronze Age (3000–1200 BC), Pre-Classical Iron Age (1200–0 BC), Imperial Antiquity (0–600 AD), Middle Ages (600–1400 AD), Early Modern (1400–2000 AD), Modern Era (2000 AD on)

Distances

Euclidean across all 25 dimensions; the 25 closest populations per era

Admixture

nMonte-style Monte-Carlo mixture modelling, reported with a fit distance

PCA

Individual samples — not population averages — across 12 regional groupings

Also included

Server-rendered cinematic videos and shareable image cards for each of the three analyses

Data location

European Union (Germany and Finland), under GDPR

Global25 places every sample as 25 numbers in a shared space, which makes it fast and enormously flexible: distances, mixture models and projections all become arithmetic on coordinates. That is why it is the workhorse of amateur population genetics.

It is worth being clear about its limit. A mixture solver returns the combination of sources that lands closest to your point, and some combination always lands closest — the method has no way to say that a model is incompatible with the data. That is what fit distance is for, and it is why we show it rather than presenting the percentages alone. If you want a result that can be statistically rejected, that is qpAdm.

An account also includes an Admixture Lab for working with your own pasted source panels, an Average G25 tool that builds a population average from individual rows in your browser, a Global25 authenticity check that flags simulated or edited coordinate rows, and a Y-DNA clade finder for your paternal haplogroup.

• Do you generate Global25 coordinates from my raw DNA?

  No. Our Global25 analysis takes coordinates you already have — you paste your own coordinate row, and raw DNA files are rejected for this product. If you want an analysis that starts from a raw DNA file, that is our qpAdm product instead, which uploads your raw export and models it against the Allen Ancient DNA Resource.

• What do I get for my coordinates?

  Three analyses across six eras: distances to the closest reference populations, an admixture model of your coordinate as a mixture of source populations, and a principal-component scatter placing you among individual samples. Each comes with a downloadable cinematic video and a set of shareable image cards.

• How large is the reference set?

  30,386 individual samples and 1,535 curated populations. Distances are computed across six eras — Late Bronze Age, Pre-Classical Iron Age, Imperial Antiquity, Middle Ages, Early Modern and Modern Era — and the 25 closest populations are returned for each.

• Does the PCA plot populations or individuals?

  Individuals. The scatter places you among individual ancient and modern samples rather than among population averages, across 12 regional groupings, so you can see how much internal spread a population actually has instead of a single point standing in for thousands of people.

• How are the distances calculated?

  Euclidean distance across all 25 dimensions of the Global25 coordinate space, against every reference population in the selected era, ranked closest first.

• How is admixture modelled?

  With a Monte-Carlo solver in the nMonte tradition: your coordinate is fitted as a weighted mixture of curated source populations, small components are pruned, and the model is re-solved. Every result is reported with its fit distance so you can see how well the mixture actually reproduces your coordinate.

• Are these percentages the same thing as qpAdm proportions?

  No, and the difference is worth understanding. A Global25 admixture percentage is a coordinate-fitting estimate: the solver returns the mixture that lands closest to your point, and some mixture always exists. qpAdm works from allele-frequency statistics and reports a p-value, so it can reject a model as incompatible with the data. Global25 is faster and broader; qpAdm is the one that carries statistical confidence.

• How long does it take?

  Global25 results are computed automatically, so they arrive shortly after checkout — there is a short holding period by default, which the optional fast-compute add-on removes.

• Where is my data stored?

  On EU infrastructure, in Germany and Finland, under GDPR. You can delete your data at any time, and full account deletion and data export are self-service.