Zambia is officially a Christian nation according to the 1996 constitution, but a wide variety of religious traditions exist.
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.
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.