Students learn in microeconomics that the demand curve for a good, which shows the relationship between the price of a good and the quantity of the good that consumers demand-i.e. are willing, ready, and able to purchase-has a negative slope.
The UNICEF estimates that an average of 353,000 babies are born each day around the world. The crude birth rate is 18.9 births per 1,000 population or 255 births globally per minute or 4.3 births every second (as of Dec. 2013 estimate).
According to UNFPA there were 130 million babies born in 2005. Around 57 million people die each year, so the net population increase is around 73 million. An extra 1 billion people every 14 years. According to UNFPA there were 130 million babies born in 2005. Around 57 million people die each year, so the net population increase is around 73 million. An extra 1 billion people every 14 years.