The Japanese Computer Entertainment Suppliers Association released the results of the Tokyo Game Show Visitors Survey Report, and it included the purchasing intentions for home and portable consoles polled among those that attended.
In the table above we can check out the purchase intentions of attendees split by platform. From top to bottom we have Wii, Wii U, the 3DS family, the DS family, PS3, PS4, the PS Vita family, the PSP family, Xbox 360 and Xbox One. The data in blue is related to Tokyo Game Show 2014 visitors, while the green rectangles are included for comparison, indicating general public data in 2013. Percentages in this survey are obviously higher, as Tokyo Game Show visitors are mostly gamers.
Among home consoles, the PS4 leads by quite a margin, with 23.1% wanting to buy one, followed by the Wii U with 10.4%, and the Xbox One by 5.9%. Among portables the PS vita inches above the 3DS with 7.3% and 5.8% respectively.
Below you can see the distribution between age groups, with males on the left and female respondents on the right. The darker blue indicates a heavier concentration of individuals wanting to buy each color.