Modern Language Association (of America) Collins English Dictionary - Complete & Unabridged 2012 Digital Edition Â© William Collins Sons & Co. Ltd. 1979, 1986 Â© HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cite This Source
(b) Limitations of the Indicators: The dependency ratio is an approximation to the ratio of net consumers to net producers. As a proxy for that ratio, the dependency ratio suggests that children under age 15 as well as persons aged 65 or over are economically dependent. In many populations, however, people do not stop being economically active at age 65, nor is it true that all persons aged 15-64 are economically active.
Density of population the number of people per unit of area, usually km2 Dependency ratio Shows how many young people aged fewer than 16 and older people over 65 depend on people of working age. It is worked out by the % of people aged fewer than 15, plus the % over 65, divided by the % aged 15-64.ensity of population the number of people per unit of area, usually km2 Dependency ratio Shows how many young people aged fewer than 16 and older people over 65 depend on people of working age. It is worked out by the % of people aged fewer than 15, plus the % over 65, divided by the % aged 15-64.