2. Aer reaching 1 Bilon people, how many years did iake the population to reach 6 Blon people? a Whar are some realistc ways you can think ofo keep the population trom reaching 9 Blon peopie by 20s0
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Question 2: After reaching 1 billion people, how many years it took to reach 6 billion?
Answer: In 1804, the population of the world reached 1 billion for the first time. In 1999, the population of the world reached 6 billion. Mathematically, it took around 203 years to reach 6 billion or to cover the 5 billion gap. The timeline for population growth is given below.
| YEAR | POPULATION IN BILLIONS |
| 1804 | 1 |
| 1927 | 2 |
| 1960 | 3 |
| 1974 | 4 |
| 1987 | 5 |
| 1999 | 6 |
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