1. The European population from 1950 to 2050, with estimated population before 2006 (light background) and projected population (dark background).
The European population from 1950 to 2050, with estimated population before 2006 (light background) and projected population (dark background). The population is split into children (0–14 yrs; ⋄), adult (15–59 yrs; □) and older people (≥60 yrs; ▵). The older population is expected to increase in the future, whereas the population <60 years of age is expected to decrease. Reproduced and modified from [1] with the publisher's permission.
M. Glasser et al. breathe 2011;7:
©2011 by European Respiratory Society