Using one child policy?? As China controls the population growth, China will eventually getting a higher HDI. HDI is measured by the three factors, literacy rate, life expectancy and GDP per capita.
P.S Correct me if i get wrong..
In order to represent the data in some of graph, you might need to interview more ppl. I did my SGP (Senior Geography Project) last year and I have interviewed almost 30 ppl. After you interviewed them, try to summarise it. If you need more, you can pm with the questions and I try to summarise...
I'll just save my articles in google drive, as the (business)concepts is still the same. Just in case your teacher wants an article from a specific dot-point, you can print your articles straight away.