In 1970 life expectancy in China was 56.6 years, 80% were employed in agriculture, only 17% lived in cities, and on avg people got 4.2 years of education.
UK in 1970 had a life expectancy of 71.9 years, 3% of workforce was employed in agriculture, 70% were urbanites and average years of schooling was 8.1.
China achieved the UK's life expectancy levels in 2000, education levels in 2005 while urbanization is <70% to this day.