350,000,000 Americans - (minus)
77,000,000 Baby Boomer's = 273,000,000
In the year 2011 on average Baby Boomer's turned 65 years of age.
In the year 2033 they will turn 87 years of age.
Birth Rate starting 2015 to 2033
18 years from 2015 x
4,000,000 Born per Year = 72,000,000 People Born
By 2033 after Boomers pass away and adding current birth rates is the formula.
273,000,000 people + 72,000,000 extra people = 345,000,000
People in America in 2033 with be ~ 345,000,000
This means one thing, that Industrialization Stabilizes Population. If Industrialization does not occur Population could get out of hand. 2.2 is the stable birth rate which means 2 children per family will lower Population. 0.2 is due to accidents and so forth. A one child policy is not recommended because the men will not have a mate for each other.
Global Warming is the problem which can be fixed with Alternative Energy sources such as Water as Fuel.