Census: http://www.stats.gov.cn/english/
Guangzhou and China databases:
Numbeo.com http://numbeo.com
Guangzhou statistics I: http://english.gz.gov.cn/gzgoven/s3709/201008/787559.shtml
Guangzhou statistics II: http://www.thechinaperspective.com/topics/city/guangzhou/
Overall statistics I: http://www.thechinaperspective.com/
Overall statistics II: http://www.statista.com/
News: http://www.chinatoday.com/ and www.supchina.com
Business: http://www.investguangzhou.gov.cn/web/eng4/jsp/index.jsp
China government stats: http://www.stats.gov.cn/english/
Crime: http://www.numbeo.com/crime/compare_countries_result.jsp?country1=China&country2=United+States
US State Department (Crime): https://www.osac.gov/pages/ContentReportDetails.aspx?cid=17107
Health: http://www.who.int/en/
CIA: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ch.html
UN: http://www.unhcr.org/5000187d9.html
http://www.stats.gov.cn/english/
World Bank: http://data.worldbank.org/country/china
Education: http://www.statista.com/topics/2090/education-in-china/
Population: http://www.newgeography.com/content/002218-china-urbanizing-and-moving-east-2010-census
http://ije.oxfordjournals.org/content/31/4/772.full
Rand: http://www.rand.org/news/press/2015/01/19.html
Aging: http://chinawatch.washingtonpost.com/2012/04/nursing_homes_booming/
http://nextbigfuture.com/2012/05/china-has-aging-population-and-gender.html
China Facts: http://www.slideshare.net/3wpr/29-amazing-facts-and-stats-about-china
