According to Population Pyramid of the World the total population of Zambia is 15 519 000 in 2015, compared to only 2 340 000 in 1950. The proportion of children below the age of 15 in 2010 was 46.4%, 50.6% was between 15 and 65 years of age, while 3.1% was 65 years or older.
Zambia takes its name from the Zambezi River, which rises in the north-west corner of the country and forms its southern boundary. This landlocked country lies between the latitudes 10o and 18o South and longitudes 22o and 33o East.
The Zambian currency is the kwacha, K (international currency code ZMW), which is equivalent to 100 ngwee. Zambian banknotes are in denominations of K100, 50, 20, 10, 5 and 2. Coins are in denominations of K1 and 50, 10 and 5 ngwee.