Fig. 4
From: Population aging and the historical development of intergenerational transfer systems
The direction of income reallocation over the life cycle. Note: Head of arrows is average age of consumption, and tail is average age of production. Countries ranked within region by per capita GDP (ppp-adjusted, US$) in 2005. Regional averages are unweighted. Regions ranked by per capita GDP. Source: For Ache etc. and !Kung, see note to Fig. 1. For National Transfer Accounts data, see ntaccounts.org. Average age and per capita calculations use United Nations Population Division (2013) population data for year of NTA age profile