Online banking adoption continues its upward trajectory, as evidenced by a 27% growth rate in 2005. Expect this trajectory to continue during the next five years: By 2011, Forrester expects online banking adoption to grow by 55%, to roughly 72 million households. In 2011, 76% of online households will bank online. The largest adoption growth will come from the Gen Y segment, and in 2011, 85% of Gen Yers will bank online.