Table 7. Homeownership Rates by Age of Householder: First Quarter: 2005 and 2006 (in percent) 90-percent First First confidence 90-percent confidence Age of householder Quarter Quarter interval interval (&plusmn;)<sup>a</sup> 2005 2006 of 2006 rate of difference United States..... 69.1 68.5 0.5 0.4 Under 25 years... 25.2 23.6 1.5 1.4 25 to 29 years... 41.5 41.0 1.5 1.4 30 to 34 years... 57.2 56.5 1.4 1.3 35 to 39 years... 67.4 66.5 1.3 1.2 40 to 44 years... 72.5 71.2 1.2 1.1 45 to 49 years... 75.3 74.6 1.1 1.2 50 to 54 years... 77.8 77.1 1.1 1.2 55 to 59 years... 81.1 80.5 0.8 0.9 60 to 64 years... 82.6 82.2 0.9 0.9 65 to 69 years... 83.3 81.9 1.4 1.2 70 to 74 years... 83.0 83.1 1.5 1.3 75 years and over. 78.5 78.2 1.1 1.0 Under 35 years. 43.3 42.3 0.9 0.8 35 to 44 years. 70.1 68.9 0.9 0.8 45 to 54 years. 76.5 75.8 0.8 0.8 55 to 64 years. 81.8 81.2 0.6 0.6 65 years and over. 80.8 80.3 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.