Check out this cool video about population growth.The video explains the growth of population since 1 A.D. You can see the fast growth in the last century from minute 5:35.

Do you like Hip Hop?? What about a cool song??
Listen to the Demography Rap and follow what the singer says, if you can!!!

Download the Demography Rap lyrics here.

What is population density?? Let's have a look at this cool video.
An explanation of Population Density using Minecraft!!!!!