· The human population stands at 6.5 billion and is projected to rise to more than 9 billion by 2050.
· In less than 50 years the human population has more than doubled from its 1960 level of 3 billion.
· China is the most populous country with more than 1.3 billion people. India is second with more than 1.1 billion.
· By about 2030 India is expected to exceed China with nearly 1.5 billion people.
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