"As of 4 October 2023, more than 100,400 refugees from Nagorno-Karabakh have arrived in Armenia."
UN High Commissioner for Refugees · 2023-10-04
UNHCR registration figures published 4 October 2023, ten days after Azerbaijan's 19–20 September 2023 offensive: by then virtually the entire ethnic-Armenian population of Nagorno-Karabakh had crossed into Armenia.