A) 6 Billion
B) 7 Billion
C) 8 Billion
D) 9 Billion

The answer is C) 8 Billion

In 2023 the population of world crossed 7 Billion. It is more than 7 Billion now in 2023. It is projected to reach 8.5 billion by the year 2030. The latest projections show that global population could reach 9 billion in 2037 and 9.7 billion in 2050, with a peak of around 10.4 billion people during the 2080s.

The reasons of increasing world population exponentially since the 17th century are improvements in public health, availability of balanced nutrition, personal hygiene, and medicine, end of global wars and life security.