The table below shows the population, given to the nearest thousand, of some countries. Country | Population in 2014 | Population in 2015 Pakistan | 185 133 000 | 188 169 000 China | 1393 784 000 | 1402 007 000 South Korea | 49 512 000 | 49 765 000 Thailand | 67 223 000 | 67 438 000

1. (a)In 2015, how much larger was the population of Pakistan than the population of South Korea?[1]
2. (b)Which country had the smallest increase in population between 2014 and 2015?[1]
3. (c)Write the population of South Korea in 2014 in standard form.[1]
4. (d)Find the percentage increase in population of Pakistan from 2014 to 2015.[2]
5. (e)The population of Cambodia in 2015 was 15 677 000. Given that the increase in population from 2014 to 2015 was 1.68%, calculate the population of Cambodia in 2014. Give your answer correct to 3 significant figures.[3]