Braguetassu!

Similarly, while we find that mobility is typically greater for married women than for single women in all countries, the difference is greater in the US and the UK than in the Nordic countries

Marital Sorting, Household Labor Supply, and Intergenerational Earnings Mobility across Countries 
By Raaum, Oddbjørn, Bernt Bratsberg, Knut Røed, Eva Österbacka, Tor Eriksson, Markus Jäntti, and Robin A. Naylor 2007

Balzac tenia raó: La veritable terra de les oportunitats

Settled as a penal colony, rapid social mobility was the inevitable during the early years. The richest ever Australian (measured relative to GDP) was Samuel Terry, a Manchester thief transported to Australia in 1801. At the time of his death in 1838, Terry had amassed a wealth equivalent to $24 billion in today’s dollars (Rubinstein 2004).

Intergenerational Mobility in Australia 

Andrew Leigh