On 3 servers with real players, out of 5 Steam servers that run it now, fakes and empty ones included. Checked 18:26 UTC.
37.230.137.90:280354/64Real players46.174.48.218:280304/64Real players82.115.60.91:280321/64Real playerskz_dejavu is a KZ (climb) map: you jump your way to the end as fast as you can. It is not one of the maps that come with the game, so servers send it to players from the Workshop when they join.
Over the last 30 days kz_dejavu was the #354 map on CS2 community servers, with 7 real players on it at any moment on average - 0% of everyone playing. It ran on about 2 servers with real players at a time. Right now 9 people play it on 3 servers, most of them on servers in Russia and Kazakhstan. It is busiest on Thursday around 14:00 UTC and quietest on Tuesday around 03:00 UTC.
Right now 9, on 3 servers from the Steam server list. Over the last 30 days it had 7 real players on average at any moment. Fake servers and bots are not counted, and Valve matchmaking is not in the list.
On Thursday around 14:00 UTC. The grid above shows every hour of the week in your own time zone.
The busiest right now: CS2 KZ #114 [RU] — CYBERSHOKE.NET (TIER 1-3 - EASY, ONLY DEJA (4 players), CS2 KZ #353 [RU] — CYBERSHOKE.NET (TIER 1-3 - EASY) (4 players), CS2 KZ #152 [KZ] — CYBERSHOKE.NET (TIER 1-3 - EASY, ONLY DEJA (1 players). The full list is under "Servers running it now", and every server has its own page with its history.
de_mirage43,417 players on average
de_dust217,917 players on average
sandstone_fb14,485 players on average
de_mirage_fps6,351 players on average
awp_lego_25,451 players on average
awp_lego_2_fb4,850 players on average
de_mirage_christmas2,860 players on average
<null>1,276 players on average
bhop_emevaelx31,054 players on average
duels_mirage_1x11,019 players on average
de_inferno889 players on average
de_nuke766 players on average