Yangon Region census report, the population of Yangon region is 7.36 million. Burmese is the primary language used by Burmese of all ethnic backgrounds. English is the main second language among the urban elite of Yangon. Yangon Region is the most developed region in the country. According to the government's official statistics for FY 2010–2011, the size of the economy of Yangon Region was 8.93 trillion kyat, or 23% of the national GDP. Greater Yangon is Lower Myanmar’s main trading hub for all kinds of merchandise – from basic food stuffs to used cars. Bayinnaung Market is the largest wholesale center in
Yangon through October where a substantial amount of rainfall is received; and a dry season from November through April, where little rainfall is seen. It is primarily due to the heavy rainfall received during the rainy season that Yangon falls under the tropical monsoon climate category. During the course of the year 1961 to 1990s, average temperatures show little variance, with average highs ranging from and average lows ranging from . Until the mid-1990s, Yangon remained largely constrained to its traditional peninsula setting between the Bago, Yangon and Hlaing Rivers. People moved in, but little of the city moved out. Maps