4. Late Neolithic

Proto-Austroasiatic is formed by now.

Bodish migration into Tibet.

Sinitic continues to expand.

Old Liaoxi collapses at the start of the Late Neolithic.

Increased Altaic influence in the north.

Austronesian migrates into the Philippines.

All peoples start moving southward due to the changing global climate. This process accelerates during the Bronze Age.