“…There are also great challenges for the huge numbers of internal migrants in India (MacAuslan, ) and China (Goodburn, ; Lu and Piggott, ; Zhu and Lin, ; Stepan and Lu, ; Wang, ). China, which is undergoing the largest internal migration in the world's history, with half of all workers in urban areas being young rural migrants (Lu and Piggott, , p. 1) and half of whom are women (Zhu and Lin, , p. 157), is an interesting case for portability within countries: across provinces and regions, and within the household. Coming from a rights‐based approach and mostly focusing on pensions, several authors have written on the need to consolidate and centralize the public pension system which is currently highly fragmented (Lu and Piggott, ; Stepan and Lu, , p. 3) across regions – which leads some authors to take the EU as the standard to aim for (Lu and Piggott, ; Kovacheva et al., ; Stepan and Lu, ).…”