North America

Land area (sq km)

Year	Value
2021	17,936,174
2020	18,113,064
2019	18,113,064
2018	18,113,064
2017	18,113,064
2016	18,113,064
2015	18,113,064
2014	18,113,064
2013	18,113,064
2012	18,113,064
2011	18,113,064
2010	18,113,064
2009	18,113,064
2008	18,113,064
2007	18,127,564
2006	18,127,564
2005	18,127,564
2004	18,127,564
2003	18,127,564
2002	18,127,564
2001	18,127,564
2000	18,127,564
1999	18,124,604
1998	18,124,604
1997	18,124,604
1996	18,124,604
1995	18,124,604
1994	18,124,604
1993	18,124,604
1992	18,124,604
1991	18,124,604
1990	18,124,604
1989	18,124,604
1988	18,124,604
1987	18,124,604
1986	18,124,604
1985	18,124,604
1984	18,124,604
1983	18,124,604
1982	18,124,604
1981	18,124,604
1980	18,124,604
1979	18,124,604
1978	18,124,604
1977	18,124,604
1976	18,124,604
1975	18,124,604
1974	18,124,604
1973	18,124,604
1972	18,124,604
1971	18,124,604
1970	18,124,604
1969	18,124,604
1968	18,124,604
1967	18,124,604
1966	18,124,604
1965	18,124,604
1964	18,124,604
1963	18,124,604
1962	18,124,604
1961	18,124,604