Total existing-home sales, which are completed transactions that include single-family homes, townhomes, condominiums and co-ops, increased 3.4 percent to a seasonally adjusted annual rate of 4.62 million in April from a downwardly revised 4.47 million in March, and are 10.0 percent higher than the 4.20 million-unit level in April 2011.

The national median existing-home price for all housing types jumped 10.1 percent to $177,400 in April from a year ago; the March price showed an upwardly revised 3.1 percent annual improvement.

Current housing affordability conditions: