Table 7. Homeownership Rates by Age of Householder: First Quarter: 2007 and 2008 (in percent) 90-percent First First confidence 90-percent confidence Age of householder Quarter Quarter interval interval (±)a 2007 2008 of 2008 rate of difference United States..... 68.4 67.8 0.5 0.4 Under 25 years... 25.2 23.6 1.5 1.4 25 to 29 years... 40.7 39.7 1.4 1.4 30 to 34 years... 54.0 54.8 1.4 1.4 35 to 39 years... 65.7 64.7 1.3 1.3 40 to 44 years... 70.8 68.6 1.3 1.2 45 to 49 years... 74.5 73.8 1.1 1.2 50 to 54 years... 77.2 76.3 1.1 1.2 55 to 59 years... 79.8 80.1 0.8 0.8 60 to 64 years... 81.3 80.8 0.9 0.9 65 to 69 years... 82.8 81.1 1.4 1.2 70 to 74 years... 82.8 82.3 1.5 1.3 75 years and over.. 79.0 78.2 1.1 1.0 Under 35 years... 41.7 41.3 0.9 0.8 35 to 44 years... 68.3 66.7 0.9 0.9 45 to 54 years... 75.8 75.0 0.8 0.8 55 to 64 years... 80.4 80.4 0.6 0.6 65 years and over. 80.9 79.9 0.8 0.7 aA 90-percent confidence interval is a measure of an estimate's reliablilty. The larger the confidence interval is, in relation to the size of the estimate, the less reliable the estimate.