Singapore is 25 times larger than Macao.
Area: 28 km2 World Factbook
Population: 587,914 (July 2014) World Factbook
Macau, also spelled Macao, is one of the two Special Administrative Regions of the People's Republic of China, the other being Hong Kong. Wikipedia
Area: 697 km2 World Factbook
Population: 5,567,301 (July 2014) World Factbook
Singapore, officially the Republic of Singapore, is a sovereign city-state and island country in Southeast Asia. It lies off the southern tip of the Malay Peninsula and is 137 kilometres north of the equator. Wikipedia