As of 2010, which of the following countries had populations exceeding one billion people?
a. china and indonesia
b. china and india
c. pakistan and india
d. china and japan

B. China and India. Not 100% sure though.

b. China and India, ranked as first and second as per the population n the world.

Explanation:

The population of china was 1,339,724,852 and that o India was 1,182,105,564, while China has a population density of 140  persons and that of India was 360 persons. and they together account for the 80% of the population growth in the world. As the china has similar demographic patterns to that of the Indian and hence, the population is going towards high mass consumption. After the china, the population of India is gaining more ground and expanding very fast as uncontrolled childbirths, teen marriages and an increase in the medial; aid facilities. As the CBR in china re 12.17 and, that of the India is 21,34% of the world growth rate and te CDR rate of china is about 6.89 and that of India was 7.53% as of 2010.

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