From the RE/MAX National Housing Report for May 2015: “In the 53 metro areas surveyed for the April RE/MAX National Housing Report, the average number of home sales increased 6.5% over sales in April 2014 and were 7.0% higher than March sales. The average month-over-month increase for the first four months of 2015 has been 4.0%. February, March and April 2015 have all recorded the highest number of sales in these months since the RE/MAX National Housing Report began in 2008. In April, 39 of the 53 metro areas surveyed reported higher sales on a year-over-year basis, and 20 of those saw increases in double-digits.”
The full report can be found here or watch a 40 second youtube highlight from this months report.