Year Millions of Persons 1960-01-01 180.67 1961-01-01 183.69 1962-01-01 186.54 1963-01-01 189.24 1964-01-01 191.89 1965-01-01 194.30 1966-01-01 196.56 1967-01-01 198.71 1968-01-01 200.71 1969-01-01 202.68 1970-01-01 205.05 1971-01-01 207.66 1972-01-01 209.90 1973-01-01 211.91 1974-01-01 213.85 1975-01-01 215.97 1976-01-01 218.04 1977-01-01 220.24 1978-01-01 222.59 1979-01-01 225.06 1980-01-01 227.73 1981-01-01 229.97 1982-01-01 232.19 1983-01-01 234.31 1984-01-01 236.35 1985-01-01 238.47 1986-01-01 240.65 1987-01-01 242.80 1988-01-01 245.02 1989-01-01 247.34 1990-01-01 250.13 1991-01-01 253.49 1992-01-01 256.89 1993-01-01 260.26 1994-01-01 263.44 1995-01-01 266.56 1996-01-01 269.67 1997-01-01 272.91 1998-01-01 276.12 1999-01-01 279.30 2000-01-01 282.38 2001-01-01 285.31 2002-01-01 288.10 2003-01-01 290.82 2004-01-01 293.46 2005-01-01 296.19 2006-01-01 299.00 2007-01-01 302.00 2008-01-01 304.80 2009-01-01 307.44 2010-01-01 309.98 2011-01-01 312.24