Turkey's governing AKP party appears to be on course to lose its parliamentary majority in early projections.

Early projections also suggest that the pro-Kurdish HDP party is set to cross the 10 per-cent threshold, securing seats for the first time.

With 90 per-cent of the vote counted, the AKP had 42 per-cent of the ballots cast.

If confirmed, the result would end the AKP's 13-year single-party rule, upsetting President Erdogan's future plans.