United Kingdom is 99 times larger than Cook County, Illinois.
Area: 243,610 km2 World Factbook
Population: 63,742,977 (July 2014) World Factbook
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom or simply Britain, is a sovereign state located off the north-western coast of continental Europe. Wikipedia
Area: 2,468 km2 calculated
Cook County is a county in the United States state of Illinois. As of the 2010 census, the population was 5,194,675. Wikipedia