Vienna tops the ranking for the tenth year running in the Quality of Living city ranking, whereas Armenia’s capital city of Yerevan is 170th on the list, according to Mercer global consulting firm.

The company has compared 231 cities in its Quality of Living Report for this year.

The factors considered when determining this quality of living are the economic, political, and social environment, housing, public services and transport, consumer goods availability, recreation, natural environment, socio-cultural environment, school and education, and medical and health conditions.

Accordingly, Baku is 195th, Tbilisi—187th, and Tehran—199th in this ranking.

As per this year’s report, the world’s most unfavorable city in terms of quality of living is Baghdad, which is ranked last—231st.