2.2.1	Total Number of Households and Buildings, Floorspace, and Household Size, by Year
	Households			Percent Post-				Floorspace		U.S. Population			Average
	(millions)			2000 Households (1)				(billion SF)		(millions)			Household Size (2)
1980		80			N.A.			142			227			2.9
1981		83			N.A.			N.A.			229			2.8
1982		84			N.A.			N.A.			232			2.8
1983		85			N.A.			N.A.			234			2.8
1984		86			N.A.			144			236			2.7
1985		88			N.A.			N.A.			238			2.7
1986		89			N.A.			N.A.			240			2.7
1987		91			N.A.			157			242			2.7
1988		92			N.A.			N.A.			244			2.7
1989		93			N.A.			N.A.			247			2.6
1990		94			N.A.			169			250			2.6
1991		95			N.A.			N.A.			253			2.7
1992		96			N.A.			N.A.			257			2.7
1993		98			N.A.			N.A.			260			2.7
1994		99			N.A.			N.A.			263			2.7
1995		100			N.A.			N.A.			266			2.7
1996		101			N.A.			N.A.			269			2.7
1997		102			N.A.			169			273			2.7
1998		104			N.A.			N.A.			276			2.7
1999		105			N.A.			N.A.			279			2.7
2000		106			N.A.			N.A.			282			2.7
2001		107			2%			203			285			2.7
2002		105			3%			N.A.			288			2.7
2003		106			5%			N.A.			290			2.8
2004		107			7%			N.A.			293			2.7
2005		109			9%			256			296			2.7
2006		110			11%			N.A.			299			2.7
2007		110			12%			N.A.			302			2.7
2008		111			13%			N.A.			304			2.8
2009		111			13%			N.A.			307			2.8
2010		114			14%			N.A.			310			2.7
2011		115			14%			N.A.			313			2.7
2012		116			15%			N.A.			316			2.7
2013		117			16%			N.A.			319			2.7
2014		118			17%			N.A.			322			2.7
2015		119			18%			N.A.			326			2.7
2016		120			19%			N.A.			329			2.7
2017		122			21%			N.A.			332			2.7
2018		123			22%			N.A.			335			2.7
2019		125			23%			N.A.			338			2.7
2020		126			25%			N.A.			341			2.7
2021		127			26%			N.A.			345			2.7
2022		129			27%			N.A.			348			2.7
2023		130			28%			N.A.			351			2.7
2024		131			30%			N.A.			354			2.7
2025		133			31%			N.A.			357			2.7
2026		134			32%			N.A.			361			2.7
2027		135			33%			N.A.			364			2.7
2028		137			34%			N.A.			367			2.7
2029		138			35%			N.A.			370			2.7
2030		139			36%			N.A.			374			2.7
2031		141			37%			N.A.			377			2.7
2032		142			38%			N.A.			380			2.7
2033		143			39%			N.A.			383			2.7
2034		144			40%			N.A.			386			2.7
2035		146			41%			N.A.			390			2.7
Note(s):	1) Percent built after Dec. 31, 2000. 2) Number of residents. 3) Number of buildings and floorspace in 1997; for comparison, 1997 households = 101.5 million; percentage of floorspace: 85% single-family, 11% multi-family, and 4% manufactured housing. 2001 households = 107.2 million; percentage of floorspace: 83% single-family, 13% multi-family, and 4% manufactured housing.