At the bottom of the post I’ve linked to a really interesting article from Reuters about some of the difficulties and opportunities associated with population growth in Nigeria. Here’s a quick summary:
- Lagos is already 21 million people
- Lagos adds 4,000 new people every day
- Nigeria’s population will be 400 million people within 30 years, making it the 4th largest country on Earth

Lagos, Nigeria.
Image: REUTERS/Akintunde Akinleye
According to several sources, including the United Nations, Dar es Salaam is one of the 10 fastest-growing cities on Earth, which means that many of these same issues in Nigeria are either already relevant here, or they will be soon.
Click here for the full article. The article serves as a great case study for the start of Topic 3 – Human Populations, Carrying Capacity, and Resource Use.