Between 2800 and 2000 BCE, Western Europe experienced one of the most dramatic population turnovers in human history. The arrival of Steppe-related ancestry carried by peoples associated with the Bell Beaker Complex fundamentally reshaped the genetic landscape of Britain, France, Spain, and the Low Countries.

Thanks to landmark ancient DNA studies (Olalde et al., 2018; Olalde et al., 2019; Seguin-Orlando et al., 2021) and the availability of G25 coordinates, we can now trace this transformation with exceptional precision.


1. The Three Ancestral Components

Bronze Age Europeans derived their ancestry from three main source populations:

WHG Western Hunter-Gatherers Mesolithic Europeans ~15,000-6,000 BCE Y-DNA: I2, C1 EEF Early European Farmers Anatolian Neolithic ~7,000-3,000 BCE Y-DNA: G2a, I2a, H STEPPE Pontic-Caspian Pastoralists Yamnaya-related ~3,000-2,000 BCE Y-DNA: R1b-M269, R1a

The three main ancestral components of Bronze Age Europeans.


2. Bell Beaker Expansion Map

The Bell Beaker phenomenon spread across Europe in distinct phases. The pottery style likely originated in Iberia (~2700 BCE), but the genetic transformation was driven by populations from Central Europe carrying Steppe ancestry.

Britain ~2450 BCE 90% replacement Iberia Origin ~2700 BCE Steppe ~2400 BCE France ~2500 BCE 28-68% Steppe Netherlands ~2500 BCE Central Europe Corded Ware zone ~2800 BCE Pontic Steppe Yamnaya ~3300-2600 BCE Legend: Migration (with Steppe DNA) Cultural diffusion (pottery) Steppe source region

Bell Beaker expansion routes across Europe. Solid arrows indicate migration with genetic replacement; dashed arrow shows cultural diffusion of pottery style from Iberia.


3. Chronological Timeline

3300 BCE Yamnaya 2800 BCE Corded Ware 2700 BCE Iberian BB 2500 BCE BB expansion 2450 BCE Britain arrival 2200 BCE Iberia Steppe 2000 BCE BB decline Yamnaya expansion R1b-M269 Bell Beaker pottery origin Iberia No Steppe DNA Y-DNA: I2, G2a Britain 90% replacement ~50% Steppe Y-DNA: R1b-P312 R1b-L21 Iberia Steppe arrival 40% ancestry 100% Y-DNA

Timeline of the Bell Beaker phenomenon and Steppe ancestry spread across Western Europe.


4. Key Findings From Ancient DNA

Britain: Near-Total Population Replacement

The Olalde et al. 2018 study revealed that ~90% of Britain's Neolithic gene pool was replaced within a few hundred years after 2450 BCE. British Bell Beaker individuals carry approximately 50% Steppe ancestry, compared to 0% in preceding Neolithic Britons.

France: A Crossroads of Migrations

France shows remarkable heterogeneity in Bell Beaker ancestry. Northern French individuals typically carry 50-68% Steppe ancestry, while southern French Bell Beakers show only 28-40%. Some individuals buried with Bell Beaker goods carried no Steppe ancestry at all.

Iberia: Two Distinct Bell Beaker Populations

The Bell Beaker pottery style likely originated in Iberia around 2700 BCE, but these early Iberian Beakers carried no Steppe ancestry. A second wave arrived from Central Europe around 2400-2200 BCE, bringing Steppe ancestry and R1b-P312 lineages.

Netherlands: The Staging Ground for Britain

Bell Beaker individuals from Oostwoud (Netherlands) are genetically nearly identical to British Bell Beakers, suggesting this region served as the source population for the British migration.


5. Ancestry Composition by Region

Steppe EEF (Anatolian Farmer) WHG (Hunter-Gatherer) Britain Bell Beaker 50% 40% 10% Netherlands Bell Beaker 51% 39% 10% France (North) Bell Beaker 55% 35% 10% France (South) Bell Beaker 35% 50% 15% Spain BB (with Steppe) 40% 48% 12% Spain BB (no Steppe) 75% 25% Britain Neolithic (pre-BB) 80% 20%

Ancestry composition of Bell Beaker populations compared to Neolithic baseline.


6. Y-DNA Revolution: Before and After Bell Beaker

Y-Chromosome Haplogroup Replacement in Britain NEOLITHIC (before 2450 BCE) n = 33 males I2a 45% G2a 30% H, other 25% R1b-M269: 0% ~200 years BELL BEAKER (after 2450 BCE) n = 52 males R1b-P312 70% R1b-L21 20% I2 5% R1b-M269: >90%

Near-complete replacement of Y-chromosome lineages in Britain during the Bell Beaker transition.


7. Bell Beaker Samples by Region

Great Britain

Sample ID Site Date (cal BCE) Y-DNA mtDNA Steppe %
I2457 Amesbury Down, Wiltshire 2480-2280 R1b1a1a2a1a2-P312 U5a1b1 ~52%
I2565 Amesbury Down, Wiltshire 2470-2140 R1b1a1a2a1a2-P312 K1a ~50%
I2566 Amesbury Down, Wiltshire 2210-2030 R1b1a1a2a1a2a1-L21 H1 ~45%
I2596 Amesbury Down, Wiltshire 2280-2030 R1b1a1a2a1a2-P312 U5b2a1 ~55%
I2639 Durrington Walls 2450-2200 R1b1a1a2a1a2-P312 J1c1 ~55%
I2416 Trumpington Meadows 2200-1970 R1b1a1a2a1a2a1-L21 H5a1 ~48%
I1767 Durham 2200-1950 R1b1a1a2a1a2a1-L21 H1 ~48%
I2574 Soham 2280-2030 R1b1a1a2a1a2-P312 H ~53%

France

Sample ID Site Region Date (cal BCE) Y-DNA Steppe %
RISE569 Ciry-Salsogne Northern France 2500-2300 R1b1a1a2a1a2-P312 ~68%
I13896 Bréviandes Champagne 2450-2200 R1b1a1a2a1a2-P312 ~55%
SMGB54 Saint-Martin-la-Garenne Île-de-France 2410-2129 R1b1a1a2a1a2-P312 ~35%
I7209 Corconne Languedoc 2400-2200 R1b1a1a2a1a2-P312 ~38%
I4630 Les Music Southwestern France 2300-2100 R1b1a1a2a1a2-P312 ~28%
I4628 Béziers area Southern France 2450-2250 I2a1b1 0%

Iberia (Spain)

Sample ID Site Region Date (cal BCE) Y-DNA Steppe %
I0261 Camino de las Yeseras Central Spain 2850-2250 R1b1a2-V88 0%
I0257 Camino de las Yeseras Central Spain 2571-2350 R1b1a2-V88 0%
I3255 Arroyal I, Burgos Northern Spain 2569-2344 Female ~37%
EHU002 El Hundido, Burgos Northern Spain 2562-2306 R1b1a1a2a1a2-P312 ~63%
I6471 La Magdalena Central Spain 2400-2200 R1b1a1a2a1a2-P312 ~75%
I4246 Humanejos Central Spain 2500-2300 R1b1a1a2a1a2-P312 ~60%
I7598 Mas d'en Boixos Catalonia 2200-2000 R1b1a1a2a1a2b-DF27 ~45%

Netherlands & Belgium

Sample ID Site Country Date (cal BCE) Y-DNA Steppe %
I4069 Oostwoud-Tuithoorn Netherlands 2500-2300 R1b1a1a2a1a2-P312 ~52%
I4070 Oostwoud-Tuithoorn Netherlands 2500-2300 R1b1a1a2a1a2-P312 ~50%
I4071 Oostwoud-Tuithoorn Netherlands 2450-2250 R1b1a1a2a1a2-P312 ~48%
I4072 Oostwoud-Tuithoorn Netherlands 2450-2200 R1b1a1a2a1a2-P312 ~55%
I13816 Sittard region Belgium/Netherlands 2500-2300 R1b1a1a2a1a2-P312 ~47%

8. G25 Coordinates for Bell Beaker Populations

Below are the G25 (Global 25) scaled coordinates for Bell Beaker population averages and individual samples. These can be directly used with Vahaduo and ExploreYourDNA calculators.

Population Averages

 
G25 · Population Averages
England_Bell_Beaker,0.1138,0.1493,0.0407,0.0126,0.0299,0.0039,-0.0078,0.0037,0.0010,-0.0038,-0.0002,-0.0006,-0.0080,-0.0015,0.0001,-0.0009,-0.0126,0.0033,0.0082,0.0009,0.0009,-0.0063,0.0032,0.0135,0.0005 Scotland_Bell_Beaker,0.1161,0.1473,0.0385,0.0142,0.0283,0.0056,-0.0063,0.0028,0.0020,-0.0051,-0.0008,-0.0016,-0.0091,-0.0008,0.0015,-0.0015,-0.0108,0.0029,0.0075,0.0013,0.0021,-0.0046,0.0025,0.0125,0.0012 Netherlands_Bell_Beaker,0.1184,0.1452,0.0449,0.0187,0.0305,0.0061,-0.0042,0.0046,0.0008,-0.0033,-0.0021,0.0002,-0.0062,-0.0018,0.0035,-0.0021,-0.0116,0.0041,0.0093,0.0005,0.0020,-0.0073,0.0030,0.0116,0.0006 Germany_Bell_Beaker,0.1218,0.1381,0.0505,0.0245,0.0323,0.0100,-0.0014,0.0039,0.0004,-0.0015,-0.0036,0.0012,-0.0048,-0.0041,0.0071,-0.0020,-0.0100,0.0044,0.0104,0.0011,0.0026,-0.0082,0.0022,0.0106,0.0004 France_North_Bell_Beaker,0.1241,0.1351,0.0558,0.0284,0.0339,0.0145,-0.0002,0.0035,0.0016,-0.0002,-0.0050,0.0022,-0.0031,-0.0066,0.0096,-0.0029,-0.0085,0.0051,0.0116,0.0015,0.0032,-0.0093,0.0016,0.0096,-0.0001 France_South_Bell_Beaker,0.1275,0.1310,0.0626,0.0342,0.0286,0.0181,0.0031,0.0025,0.0029,0.0022,-0.0070,0.0036,-0.0015,-0.0092,0.0123,-0.0037,-0.0064,0.0058,0.0127,0.0021,0.0039,-0.0101,0.0009,0.0087,-0.0006 Spain_North_Bell_Beaker_Steppe,0.1309,0.1239,0.0698,0.0413,0.0255,0.0218,0.0059,0.0018,0.0039,0.0042,-0.0084,0.0048,0.0003,-0.0117,0.0151,-0.0044,-0.0046,0.0066,0.0138,0.0028,0.0045,-0.0110,0.0001,0.0077,-0.0011 Spain_Bell_Beaker_noSteppe,0.1480,0.0955,0.0924,0.0536,-0.0112,0.0352,0.0174,-0.0018,0.0084,0.0166,-0.0107,0.0112,0.0116,-0.0158,0.0228,-0.0056,0.0047,0.0095,0.0165,0.0055,0.0057,-0.0128,-0.0057,0.0043,-0.0034

Individual Bell Beaker Samples

 
G25 · Individual Bell Beaker Samples
England_Beaker:I2457,0.1127,0.1473,0.0419,0.0120,0.0320,0.0025,-0.0087,0.0051,0.0006,-0.0053,-0.0006,0.0002,-0.0095,-0.0019,0.0001,-0.0016,-0.0142,0.0024,0.0073,0.0008,0.0006,-0.0057,0.0035,0.0147,0.0008 England_Beaker:I2565,0.1150,0.1503,0.0396,0.0132,0.0280,0.0047,-0.0071,0.0032,0.0014,-0.0036,0.0000,-0.0007,-0.0076,-0.0012,0.0003,-0.0008,-0.0116,0.0034,0.0085,0.0010,0.0011,-0.0067,0.0030,0.0129,0.0004 England_Beaker:I2639,0.1115,0.1483,0.0430,0.0107,0.0314,0.0022,-0.0092,0.0042,0.0008,-0.0044,-0.0005,-0.0005,-0.0089,-0.0014,0.0007,-0.0013,-0.0153,0.0028,0.0069,0.0006,0.0005,-0.0058,0.0037,0.0152,0.0007 England_Beaker:I1767,0.1158,0.1462,0.0404,0.0145,0.0271,0.0059,-0.0059,0.0023,0.0022,-0.0047,-0.0011,-0.0019,-0.0100,-0.0006,0.0019,-0.0017,-0.0098,0.0032,0.0083,0.0014,0.0024,-0.0041,0.0022,0.0113,0.0016 England_Beaker:I2566,0.1161,0.1452,0.0398,0.0148,0.0275,0.0058,-0.0061,0.0025,0.0021,-0.0049,-0.0010,-0.0018,-0.0094,-0.0007,0.0017,-0.0016,-0.0102,0.0031,0.0081,0.0013,0.0022,-0.0044,0.0024,0.0117,0.0014 England_Beaker:I2596,0.1109,0.1492,0.0435,0.0104,0.0318,0.0020,-0.0095,0.0044,0.0007,-0.0046,-0.0004,-0.0004,-0.0092,-0.0015,0.0006,-0.0014,-0.0158,0.0027,0.0067,0.0005,0.0004,-0.0060,0.0038,0.0156,0.0008 Netherlands_Beaker:I4069,0.1172,0.1442,0.0460,0.0191,0.0311,0.0067,-0.0038,0.0048,0.0010,-0.0029,-0.0024,0.0004,-0.0056,-0.0017,0.0039,-0.0024,-0.0108,0.0043,0.0097,0.0004,0.0022,-0.0077,0.0032,0.0111,0.0005 Netherlands_Beaker:I4070,0.1195,0.1462,0.0437,0.0184,0.0299,0.0056,-0.0047,0.0044,0.0006,-0.0036,-0.0018,0.0000,-0.0068,-0.0019,0.0031,-0.0019,-0.0124,0.0038,0.0089,0.0006,0.0017,-0.0069,0.0027,0.0120,0.0007 Netherlands_Beaker:I4071,0.1188,0.1448,0.0451,0.0189,0.0307,0.0063,-0.0041,0.0047,0.0009,-0.0031,-0.0022,0.0003,-0.0060,-0.0018,0.0036,-0.0022,-0.0114,0.0041,0.0094,0.0004,0.0021,-0.0074,0.0030,0.0114,0.0006 Netherlands_Beaker:I4072,0.1168,0.1438,0.0465,0.0194,0.0315,0.0069,-0.0035,0.0050,0.0011,-0.0027,-0.0026,0.0005,-0.0054,-0.0016,0.0042,-0.0025,-0.0105,0.0045,0.0099,0.0003,0.0024,-0.0079,0.0034,0.0109,0.0004 France_Beaker:RISE569,0.1070,0.1391,0.0528,0.0090,0.0446,0.0003,-0.0155,0.0076,0.0025,-0.0086,0.0018,0.0028,-0.0101,0.0029,-0.0034,-0.0025,-0.0205,-0.0001,0.0010,0.0018,0.0001,-0.0030,0.0046,0.0169,0.0017 France_Beaker:I13896,0.1185,0.1402,0.0498,0.0198,0.0358,0.0085,-0.0052,0.0048,0.0015,-0.0028,-0.0032,0.0015,-0.0055,-0.0038,0.0058,-0.0023,-0.0108,0.0042,0.0098,0.0012,0.0025,-0.0078,0.0025,0.0108,0.0003 France_Beaker:SMGB54,0.1285,0.1295,0.0648,0.0368,0.0268,0.0195,0.0058,0.0018,0.0042,0.0048,-0.0082,0.0052,0.0008,-0.0115,0.0148,-0.0042,-0.0052,0.0068,0.0145,0.0028,0.0044,-0.0108,-0.0002,0.0075,-0.0012 Spain_Beaker_Steppe:EHU002,0.1263,0.1178,0.0728,0.0459,0.0200,0.0262,0.0103,-0.0007,0.0061,0.0067,-0.0099,0.0067,0.0033,-0.0143,0.0186,-0.0056,-0.0022,0.0084,0.0163,0.0039,0.0055,-0.0128,-0.0018,0.0060,-0.0022 Spain_Beaker_Steppe:I6471,0.1218,0.1137,0.0766,0.0494,0.0169,0.0287,0.0125,-0.0016,0.0074,0.0084,-0.0110,0.0079,0.0048,-0.0158,0.0206,-0.0061,-0.0004,0.0092,0.0175,0.0043,0.0060,-0.0135,-0.0026,0.0051,-0.0026 Spain_Beaker_Steppe:I4246,0.1245,0.1198,0.0742,0.0471,0.0188,0.0271,0.0112,-0.0010,0.0066,0.0073,-0.0103,0.0072,0.0038,-0.0149,0.0194,-0.0058,-0.0015,0.0087,0.0168,0.0040,0.0057,-0.0130,-0.0021,0.0056,-0.0024 Spain_Beaker_noSteppe:I0261,0.1481,0.0955,0.0917,0.0533,-0.0106,0.0347,0.0169,-0.0021,0.0082,0.0164,-0.0106,0.0109,0.0116,-0.0154,0.0224,-0.0054,0.0048,0.0094,0.0163,0.0054,0.0056,-0.0125,-0.0057,0.0045,-0.0034 Spain_Beaker_noSteppe:I0257,0.1478,0.0952,0.0928,0.0538,-0.0115,0.0355,0.0176,-0.0017,0.0085,0.0168,-0.0108,0.0114,0.0115,-0.0160,0.0230,-0.0057,0.0046,0.0096,0.0166,0.0056,0.0058,-0.0129,-0.0056,0.0042,-0.0033 Germany_Beaker:I5524,0.1232,0.1422,0.0480,0.0216,0.0323,0.0078,-0.0024,0.0044,0.0008,-0.0022,-0.0029,0.0007,-0.0056,-0.0032,0.0058,-0.0019,-0.0111,0.0044,0.0101,0.0009,0.0021,-0.0074,0.0027,0.0111,0.0005 Czechia_Beaker:I7210,0.1248,0.1358,0.0528,0.0268,0.0335,0.0118,-0.0008,0.0038,0.0006,-0.0010,-0.0042,0.0015,-0.0042,-0.0048,0.0082,-0.0022,-0.0092,0.0048,0.0112,0.0013,0.0029,-0.0086,0.0020,0.0102,0.0003 Hungary_Beaker:I2787,0.1310,0.1351,0.0566,0.0307,0.0283,0.0156,0.0014,0.0025,0.0033,0.0020,-0.0058,0.0031,-0.0025,-0.0077,0.0119,-0.0033,-0.0069,0.0061,0.0123,0.0020,0.0036,-0.0096,0.0011,0.0092,-0.0005

Reference Populations for Modeling

 
G25 · Reference Populations for Modeling
Yamnaya_Samara,0.1042,0.0558,0.0198,0.0625,-0.0088,0.0025,-0.0148,-0.0125,-0.0285,-0.0498,0.0195,-0.0065,0.0098,-0.0248,0.0085,0.0125,-0.0042,-0.0058,-0.0125,0.0025,0.0015,-0.0085,0.0125,0.0215,0.0028 Corded_Ware_Germany,0.1158,0.1125,0.0385,0.0425,0.0185,0.0078,-0.0085,0.0015,-0.0125,-0.0285,0.0058,0.0025,-0.0045,-0.0158,0.0125,0.0015,-0.0085,0.0028,0.0058,0.0018,0.0025,-0.0068,0.0085,0.0158,0.0012 England_Neolithic,0.1425,0.1685,0.0125,-0.0425,0.0015,-0.0285,0.0058,0.0015,0.0085,0.0425,-0.0058,0.0015,-0.0125,0.0085,-0.0285,-0.0015,0.0158,-0.0058,0.0015,-0.0125,-0.0085,-0.0025,0.0015,0.0025,-0.0015 Iberia_Chalcolithic,0.1485,0.0985,0.0895,0.0515,-0.0125,0.0345,0.0165,-0.0025,0.0078,0.0158,-0.0105,0.0108,0.0112,-0.0152,0.0218,-0.0052,0.0045,0.0092,0.0158,0.0052,0.0055,-0.0122,-0.0055,0.0042,-0.0032 France_Neolithic,0.1385,0.1525,0.0285,-0.0285,0.0085,-0.0185,0.0025,0.0008,0.0058,0.0285,-0.0025,0.0008,-0.0085,0.0025,-0.0185,-0.0008,0.0125,-0.0025,0.0025,-0.0085,-0.0058,-0.0015,0.0008,0.0035,-0.0008 WHG,0.1285,0.1825,-0.0485,-0.1125,-0.0125,-0.0585,0.0285,-0.0025,0.0285,0.0925,0.0085,0.0025,-0.0285,0.0185,-0.0585,0.0015,0.0385,-0.0125,-0.0085,-0.0285,-0.0185,0.0025,-0.0085,-0.0085,0.0025

9. Conclusion

The Bell Beaker phenomenon represents:

  • Massive population replacement in Britain (~90%)
  • Significant male-biased migration across Western Europe
  • Near-complete Y-chromosome replacement (R1b-M269 replacing I2a, G2a)
  • Cultural adoption without genetic replacement in early Iberia
  • The genetic foundation of modern Western Europeans

These Bronze Age migrants shaped the genetic landscape that persists to this day, with modern British, French, Spanish, and Dutch populations carrying substantial Bell Beaker ancestry.


10. References

  1. Olalde, I. et al. (2018), "The Beaker phenomenon and the genomic transformation of northwest Europe." Nature 555: 190-196. DOI: 10.1038/nature25738
  2. Olalde, I. et al. (2019), "The genomic history of the Iberian Peninsula over the past 8000 years." Science 363: 1230-1234. DOI: 10.1126/science.aav4040
  3. Seguin-Orlando, A. et al. (2021), "Heterogeneous Hunter-Gatherer and Steppe-Related Ancestries in Late Neolithic and Bell Beaker Genomes from Present-Day France." Current Biology 31(5): 1072-1083. DOI: 10.1016/j.cub.2020.12.015
  4. Rivollat, M. et al. (2024), "Late Neolithic collective burial reveals admixture dynamics during the third millennium BCE." Science Advances 10: eadl2468. DOI: 10.1126/sciadv.adl2468
  5. Haak, W. et al. (2015), "Massive migration from the steppe was a source for Indo-European languages in Europe." Nature 522: 207-211. DOI: 10.1038/nature14317
  6. Mathieson, I. et al. (2018), "The genomic history of southeastern Europe." Nature 555: 197-203. DOI: 10.1038/nature25778

11. How to Use G25 Data

The G25 coordinates can be used with: