According to the WWE’s latest Key Performance Indicators, the latest buyrate figure for Wrestlemania 29 as of 4/30 is 1,048,000 buys worldwide. While an official figure will be released in the next few months, this is already below what Wrestlemania 28 drew last year (1,271,000 buys) and Wrestlemania 27 in 2011 (1,059,000 buys).
Source: WWE