Total dependency ratio (population aged 0–19 and 65+ per 100 population 20–64) in certain developed countries, 1950–2015, estimates and medium-variant projection 2015–2100 — UN 2017.
Source: UN Population Division. World population prospects: The 2017 revision, DVD edition, File POP/11-B.
Part of: Vishnevsky A, Shcherbakova E (2018) A new stage of demographic change: A warning for economists. Russian Journal of Economics 4(3): 229-248. https://doi.org/10.3897/j.ruje.4.30166