As per the June 2020 Foreign Property Sale Statistics, regularly released by General Directorate of Title Deed and Cadastre, the foreign sales dropped only 27% between last years January to May and this years January to May despite stopped flights and COVID-19 pandemic.
1.644 units of real estate were sold in Turkey in June 2020 to foreigners. Iranians purchased 398 units of real estate as the top investor nationality, followed by Iraqis (275), Chinese (78), Azeris (70) and Russians (63). Main motivation behind those real estate purchases is Turkey's leading Citizenship by Investment Program that attracted 9011 applicants until today.
Resource [May Statistics]: https://www.tkgm.gov.tr/tr/icerik/mayis-2020-konut-satis-istatistikleri