A · A1 · A1b · A1b1 · BT · CT · CF · F · K · K2 · P · R · R1 · R1a · R1a1 · R1a1a · R1a1a1 · R1a-Z93 · R1a-Z94 · R1a-M780 · R1a-F2935 · R1a-Y5

Haplogroup R1a-Y5

Macro-haplogroup
R
Parent clade
R1a-F2935
Formed (estimate)
c. 3,000 - 3,400 years ago
TMRCA (estimate)
c. 1,900 - 2,300 years ago

Overview

R1a-Y5 is an early diverging branch of R1a-F2935 and forms an important paternal lineage across northern India and Pakistan. Emerging during the early Iron Age, Y5 played a role in the initial phases of Indo-Aryan settlement and cultural formation in the subcontinent. Archaeological evidence points toward its presence among communities engaged in both agricultural and pastoral economies. Y5's distribution today suggests strong regional continuity, with many subbranches localized within specific cultural and linguistic groups. Its diversification aligns with the growth of early Indo-Aryan societies, including Janapadas and tribal polities of the early historic era. Although not as widespread as Y8 or Y7, Y5 is valuable for tracing the earliest phases of the F2935 expansion within the subcontinent.

Geographic distribution

Y5 appears in northern India, Pakistan and Nepal, with higher frequencies in Punjab, Jammu, Uttarakhand and Himachal Pradesh. Smaller clusters are found in central India.

Ancient DNA

  • Proto-historic burials in the Himalayan foothills show upstream Y5 signals.
  • Swat Valley individuals exhibit ancestral M780 → F2935 structure consistent with early Y5 formation.
  • Historic period northern Indian contexts reveal downstream Y5 representation.

Phylogeny & subclades

Y5 includes several regionally confined microbranches concentrated in India and Pakistan.

  • North Indian microclusters
  • Indo-Himalayan branches

Notes & context

Y5 is important for reconstructing demographic shifts during the early formation of Indo-Aryan cultural landscapes.