Guangdong (Canton in English) is a province on the southern coast of China. It overtook Sichuan to become the most populous province in China in January 2005, registering 79 million permanent residents and 31 million migrants who lived in the province for at least six months. The provincial capital of Guangzhou and economic hub Shenzhen are among the most populous and important cities in China. Guangdong is one of the country's richest with the highest total GDP among all provinces. Its nominal GDP for 2003 was $165 billion, increased to $265 billion in 2005 (about the same size as Denmark) and to $329.07 billion in 2006. Guangdong contributes approximately 12% of national economic output. The province was the homeland and base of operations of Sun Yat-Sen, the widely accepted founder of modern China.