Year Millions of Persons 1960-01-01 7.05 1961-01-01 7.09 1962-01-01 7.13 1963-01-01 7.18 1964-01-01 7.22 1965-01-01 7.27 1966-01-01 7.32 1967-01-01 7.38 1968-01-01 7.42 1969-01-01 7.44 1970-01-01 7.47 1971-01-01 7.50 1972-01-01 7.54 1973-01-01 7.59 1974-01-01 7.60 1975-01-01 7.58 1976-01-01 7.57 1977-01-01 7.57 1978-01-01 7.56 1979-01-01 7.55 1980-01-01 7.55 1981-01-01 7.57 1982-01-01 7.57 1983-01-01 7.56 1984-01-01 7.56 1985-01-01 7.57 1986-01-01 7.57 1987-01-01 7.57 1988-01-01 7.59 1989-01-01 7.62 1990-01-01 7.68 1991-01-01 7.75 1992-01-01 7.84 1993-01-01 7.91 1994-01-01 7.94 1995-01-01 7.95 1996-01-01 7.96 1997-01-01 7.97 1998-01-01 7.98 1999-01-01 7.99 2000-01-01 8.01 2001-01-01 8.04 2002-01-01 8.08 2003-01-01 8.12 2004-01-01 8.17 2005-01-01 8.23 2006-01-01 8.27 2007-01-01 8.30 2008-01-01 8.34 2009-01-01 8.36 2010-01-01 8.39 2011-01-01 8.42