The Nigeria Population Live counter shows a continuously updated estimate of the current population of Nigeria delivered by Worldometer's RTS algorithm , which processes data collected from the United Nations Population Division. The Population of Nigeria - chart plots the total population count as of July 1 of each year, from to Population : Overall total population both sexes and all ages in the country as of July 1 of the year indicated, as estimated by the United Nations, Department of Economic and Social Affairs, Population Division.
World Population Prospects: The Revision. For forecasted years, the U. For all other years: latest year annual percentage change equivalent assuming homogeneous change in the preceding five year period, calculated through reverse compounding. Yearly Change : For absolute change in total population increase or decrease in number of people over the last year from July 1, to June 30 For all other years: average annual numerical change over the preceding five year period.
Migrants net : The average annual number of immigrants minus the number of emigrants over the preceding five year period running from July 1 to June 30 of the initial and final years , or subsequent five year period for data.
A negative number means that there are more emigrants than immigrants. Median Age : age that divides the population into two numerically equal groups: half of the people are older than the median age indicated and half are younger.
This parameter provides an indication of age distribution. It is calculated as the average number of children an average woman will have during her reproductive period 15 to 49 years old based on the current fertility rates of every age group in the country, and assuming she is not subject to mortality.
