how long did it take to double from 3 billion to 6 billion
The worlds population was 3.3 billion in 1965, it is now 6.7 billion so it that instance of doubling took 34 years .
~ 2.3 Billion. ~ 2.3 Billion.
1960
over 3 billion
$3 billion
In 1928 the world population was 2 billion people. By 1968, the population of the world had increased to 3.55 billion people.
The world population reached the high mark of 5 billion people in the year of 1974 but it keeps on increasing everyday since more people are being born.
In the year of 1960, the world population over 3 billion people. In 2014, the world population is close to 7 billion people.
2.2 billion
The population of Europe in 1960 was about 6.978 billion.
No there are only about 300 million residents.
maybe around 3 billion because at 1805 it was a bilion......