Combining age groups together, those aged 14 and below, consisting of the the young dependent population which include infants/babies, children and young adolescents/teenagers, make up an aggregate of 29.60% (634). Those aged 15 up to 64, roughly, the economically active population and actual or potential members of the work force, constitute a total of 63.63% (1,363). Finally, old dependent population consisting of the senior citizens, those aged 65 and over, total 6.77% (145) in all.
The computed Age Dependency Ratios mean that among the population of Lanao, there are 47 youth dependents to every 100 of the working age population; there are 11 aged/senior citizens to every 100 of the working population; and overall, there are 57 dependents (young and old-age) to every 100 of the working population.
The median age of 26 indicates that half of the entire population of Lanao are aged less than 26 and the other half are over the age of 26.
The population of Lanao grew from 897 in 1990 to 2,142 in 2015, an increase of 1,245 people. The latest census figures in 2015 denote a positive growth rate of 2.70%, or an increase of 280 people, from the previous population of 1,862 in 2010.