Answer: India / 11.1years
Step-by-step explanation:
Per capita income (PCI) or average income measures or calculate the average income earned per person in a given place (country,city, region etc.) in a particular year. It can be calculated by dividing the area's total income or wealth by its total number of population.
India's GDP will increase or double than that of China's, because is has a larger income than that of China.