During the [[20th century]], most population growth occurred in the suburbs, with [[Újpest]] more than doubling between [[1890]]–[[1910]] and [[Kispest]] more than quintupling in [[1900]]–[[1920]], as much of the country's industry came to be concentrated in the city. | During the [[20th century]], most population growth occurred in the suburbs, with [[Újpest]] more than doubling between [[1890]]–[[1910]] and [[Kispest]] more than quintupling in [[1900]]–[[1920]], as much of the country's industry came to be concentrated in the city. |