Introduction: why cities matter for a globalising sociolinguistics -- Urbanisation and linguistic multitude -- Part I. The global south -- Cairo: the linguistic dynamics of a multilingual city -- Mexico City: diversity and homogeneity -- Old variables, new meanings: resignification of rural speech variants in São Paulo's urban ecology -- Dubai: language in the ethnocratic, corporate and mobile city -- Kohima: language variation and change in a small but diverse city in India -- Part II. The global north -- The language of London and Londoners -- Tokyo: standardization, ludic language use and nascent superdiversity -- The city as a result of experience: Paris and its nearby suburbs -- The Randstad area in the Netherlands: emergent and fluid identity-locality production through language in use -- Notes on the language ecology of the City of Angeles: Los Angeles, California, 1965-2015 -- Sydney's intersecting worlds of languages and things -- Moscow: diversity in disguise -- Postscript: a proposal for street use surveys
