Table 3.

Estimates of population divergence times

TMRCA*This studyWegmann and Excoffier (23)Hey (22)Caswell et al. (21)Becquet and Przeworski (20)
Bonobo–Chimpanzee1.8 (1.5–2.3)1.6 (1.01–2.00)0.93 (0.68–1.54)1.29 (1.14–1.45)0.77 (0.58–1.00)
Upper Guinea–Central/Eastern (excluding Cameroon)0.43 (0.34–0.49)0.55 (0.34–0.91)0.46 (0.35–0.65)0.51 (0.43–0.59)0.38 (0.27–0.94)
Upper Guinea–Gulf of Guinea0.46 (0.37–0.53)
Gulf of Guinea–Equatorial Africa0.32 (0.25–0.36)
Southern Cameroon–Central/Eastern0.11 (0.09–0.13)
Central–Eastern0.10 (0.08–0.12)0.44 (0.20–0.50)0.093 (0.04–0.16)0.22 (0.14–1.40)
  • *Time is expressed in millions of years ago (mya).

  • Estimated from data included in the dataset reliability tests performed for this study (SI Text, Table S3).

  • Equatorial Africa includes chimpanzees from southern Cameroon, other parts of central Africa, and eastern Africa.