Ⅰ. Hainan Statistical Yearbook 2016 is an annual statistical publication which covers statistical data for the economic and social development of 19 cities and counties, economic Development Zone in year 2015, as well as major statistical data in important historical years.

II. The Yearbook contains twenty-one chapters: l. General Survey; 2. Population；3. National Accounts; 4.Employment and Wages; 5. Prices; 6. People’s Living Conditions; 7. Government Finance; 8. Resources and Environment; 9. Energy; 10. Investment in Fixed Assets; 11. Foreign Trade and Economic Cooperation; 12.Agriculture; 13. Industry; 14. Construction; 15.Real Estate; 16. Wholesale and Retail Trades, Hotels and Catering Services; 17.Tourism; 18. Transport, Postal and Telecommunication Services; 19. Financial Intermediation; 20. Science and Technology; 21. Education; 22.Public Health and Social Services; 23. Culture and Sports; 24.Public Management, Social Security and Social Organizations; 25.Urban and Rural. Each chapter begins with brief introduce to the main content, data sources, statistical method of this chapter, etc. Explanatory Notes on Main Statistical Indicators are provided at the end of each chapter to briefly describe the content of main statistical indicators, statistical scope and so on.

Ⅲ. In June 21, 2012, the State Council approved the establishment of the prefecture-level city of Sansha, and the Xisha, Nansha and Zhongsha Islands and their sea area are under the jurisdiction of Sansha City. Considering that the city was set up lately, and that it is difficult to obtain the statistical data, other data of Sansha City are not covered except for the population, employment, wages and workers and Resources.

Ⅳ. Data of county, Autonomous County and city in all chapters included the data related with land reclamation farms. The statistical data related with Yangpu Economic Development Zone are incorporated into and separately listed under Danzhou City. The 2 items of Danzhou and Yangpu are set under Danzhou City.

Ⅴ. The statistical approach and scope in this yearbook base on the current national statistical report system basically. Data are mainly obtained from annual statistical reports and sample surveys of government statistics departments, and some from annual statistical reports of government or administrative departments.

VI. The units of measurement used in this yearbook are internationally standard measurement units, and newly published and implemented Product Categories are uniformly used.

VII. Statistical discrepancies on totals and relative figures due to rounding are not adjusted in the Yearbook.

VIII. Notations used in the yearbook：(blank space) indicates that the figure is not large enough to be measured with the smallest unit in the table, or data are unknown, or are not available; “#” indicates a major breakdown of the total.