If China tracked to Japan then it will take about 22 years to catch up on nominal GDP per capita

Japan had caught up in about 25 years from having 10% of US per capita GDP.

In the 1970s, Japans GDP growth was 0-6% and mostly about 2-4%. However, the currency strengthened a lot and then moved up from 37% of nominal US gdp per capita to 100%.

China has nominal GDP per capita of about US$7400 in 2014 and new PPP GDP per capita of about US$13000.
The US has GDP per capita of $55000.
China has nominal GDP per capita of 13% of the US gdp per capita.
China has PPP GDP per capita of 23% of the US gdp per capita.

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