Table 7. Homeownership Rates by Age of Householder: Third Quarter: 2005 and 2006 (in percent) 90-percent Third Third confidence 90-percent confidence Age of householder Quarter Quarter interval (+)a interval (±)a 2005 2006 of 2006 rate of difference United States..... 68.8 69.0 0.5 0.4 Under 25 years 27.0 25.3 1.5 1.4 25 to 29 years 40.7 42.8 1.5 1.4 30 to 34 years 56.1 55.8 1.4 1.4 35 to 39 years 65.8 66.4 1.3 1.2 40 to 44 years 71.1 71.1 1.2 1.1 45 to 49 years 74.7 74.8 1.1 1.2 50 to 54 years 78.9 78.3 1.1 1.2 55 to 59 years 80.4 80.0 0.8 0.9 60 to 64 years 81.6 81.4 0.9 1.0 65 to 69 years 83.4 82.9 1.4 1.2 70 to 74 years 82.5 83.3 1.5 1.3 75 years and o 78.4 79.9 1.1 1.0 Under 35 years 43.0 43.0 0.9 0.8 35 to 44 years 68.6 68.8 0.9 0.8 45 to 54 years 76.7 76.4 0.8 0.8 55 to 64 years 80.9 80.7 0.6 0.6 65 years and over 80.6 81.5 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.