Life expectancy at birth has increased substantially at the global scale over recent decades, but the improvements have not been experienced equally across all countries - in large part reflecting changes in economic and social situations. To identify the spatial variations in life expectancy at...

<b>Although there are many studies of the residential segregation of ethnic groups in cities in various parts of the world, very few address the degree to which segregation levels vary across an urban system, let alone rigorously analyse those variations. Data on segregation across all US...</b>

The increased volume of international migration is producing a substantial number of multicultural cities with residents drawn from a large number of different birthplaces. Models developed a few decades ago of the intra-urban social geography of where these migrants live suggested that they...