สำนักงานราชบัณทิตยสภา

The Journal of the Royal Institute of Thailand Volume IV - 2012 169  The population growth of Thailand is in good condition as shown by the sligh increase to 71.0 million people in the year 2050 as compared with 69.5 million in the year 2011. The total world population turns to be more than 9.0 billion people in the year 2050 from 7.0 billion in year 2011. Comparing among countries in Southeast Asia, Thailand has 70 percent of people with working age between 15-65 years. This fi gure is better than many other countries in South East Asia. The percentage of population having improved water supply in rural area is 77 (Population Reference Bureau MEASURE communication ). Again, as compared with average fi gures in Asia and world, Thailand is still much better. Life expectancy at birth (year) Population/ Square kilometer Percent Urban Percent of Population with Improved Water Supply (Urban) Percent of Population with Improved Water Supply (Rural) World 70 51 51 96 77 More developed 78 27 75 100 97 Less developed 68 69 46 94 76 Less developed (Excl. China) 66 60 44 93 74 Least Developed 59 41 28 80 54 Table 1: Population, health and environment data and estimates for the countries and regions of the world. (PRB’s World Population Data Sheet 2011) Monnipha Sila-asna, Ahnond Bunyaratvej