Table 7. Homeownership Rates by Age of Householder: First Quarter: 2004 and 2005 First First 90-percent Age of householder Quarter Quarter confidence interval (+)a 2004 2005 of 2005 rate of difference United States..... 68.6 69.1 0.5 0.4 Under 25 years 23.6 25.2 1.5 1.4 25 to 29 years 40.0 41.5 1.5 1.4 30 to 34 years 56.4 57.2 1.4 1.3 35 to 39 years 66.0 67.4 1.3 1.2 40 to 44 years 71.3 72.5 1.2 1.1 45 to 49 years 76.2 75.3 1.1 1.2 50 to 54 years 77.8 77.8 1.1 1.2 55 to 59 years 81.2 81.1 0.8 0.9 60 to 64 years 82.4 82.6 0.9 1.0 65 to 69 years 82.5 83.3 1.4 1.3 70 to 74 years 82.3 83.0 1.5 1.4 75 years and over 78.9 78.5 1.1 1.0 Under 35 years 42.3 43.3 0.9 0.8 35 to 44 years 68.8 70.1 0.9 0.8 45 to 54 years 77.0 76.5 0.8 0.8 55 to 64 years 81.7 81.8 0.6 0.6 65 years and over 80.7 80.8 0.8 0.7 a) 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.