Table 7. Homeownership Rates by Age of Householder: Second Quarter: 2004 and 2005 90-percent 90-percent Second Second confidence confidence Age of householder Quarter Quarter interval (&plusmn;)<sup>a</sup> interval (&plusmn;)<sup>a</sup> 2004 2005 of 2005 rate of difference United States....... 69.2 68.6 0.5 0.4 Under 25 years.. 25.7 25.9 1.5 1.4 25 to 29 years.. 40.8 39.9 1.5 1.4 30 to 34 years.. 57.6 56.8 1.4 1.3 35 to 39 years.. 66.1 65.8 1.3 1.2 40 to 44 years.. 72.3 71.3 1.2 1.1 45 to 49 years.. 77.1 74.9 1.1 1.2 50 to 54 years.. 76.8 77.9 1.1 1.2 55 to 59 years.. 81.6 81.0 0.8 0.9 60 to 64 years.. 83.4 81.8 0.9 0.9 65 to 69 years.. 83.5 81.8 1.5 1.3 70 to 74 years.. 83.5 83.2 1.5 1.3 75 years and over.. 78.8 78.2 1.1 1.0 Under 35 years.. 43.6 42.8 0.9 0.8 35 to 44 years.. 69.4 68.7 0.9 0.8 45 to 54 years.. 77.0 76.3 0.8 0.8 55 to 64 years.. 82.4 81.3 0.6 0.6 65 years and over.. 81.1 80.3 0.8 0.7 <sup>a</sup>A 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.