- Humanity reached 1 billion in population around the year 1800.
- 130 years later, in 1930, we reached 2 billion.
- 30 years later, in 1960, we reached 3 billion.
- 15 years later, in 1975, we reached 4 billion.
- 12 years later, in 1987, we reached 5 billion.
- 12 years later, in 1999, we reached 6 billion.
- 13 years later, in 2012, we reached 7 billion.
- Predictions to reach 10 billion range anywhere from 2050 to 2065. Or never.
Random Facts
As the research for this book continues, I thought I would post an occasional interesting fact or two as I stumble across them. Like I said, the book is mostly fiction.