i copied copied and pasted this post which answers your question
apollo2626 Nov 22, 2013 8:16 AM
Thought this might be helpful to have posted here! I'm keeping a list updated for my clan members and figured other clan leaders could benefit from it! Feel free to link back or copy any part of this! If you find any updates please respond to this post! I'll also be keeping the copy on my clan's news feed updated daily! Hope it helps!
How to Earn Call of Duty® Ghosts Clan XP
Play any Online Multi-player Mode with At Least (1) Clan Member:
- 50 Clan XP per Clan Member per Win: 300 Clan XP MAX (CONFIRMED)
- 10 Clan XP per Clan Member per Loss: 60 Clan XP MAX (CONFIRMED)
Participate in Clan vs. Clan Playlists that requires (4) Clan Members:
Participate in Clan Wars:
- 100 Clan XP per Clan Member per Win: 400 Clan XP TOTAL (CONFIRMED)
- 20 Clan XP per Clan Member per Loss: 80 Clan XP TOTAL (CONFIRMED)
- Details soon: Starting November 25th
In-Game Call of Duty® Ghosts Clan RewardsLevel 2: Clan Wallpapers (Metal, Rust, Steel)Level 3: Clan Wallpapers (Desert, Digital, Stealth)Level 4: 3D Hunter Camo Background/Calling CardLevel 5: Body Count Patch "Up and Coming"Level 6: Double Clan XP (2 Hours)Level 7: Clan Wallpapers (Jungle, Tech, Winter)Level 8: Hamburger Patch "It's a Mouthful"Level 9: Ghosts Skull Background/Calling Card & Clan Wallpapers (Leopard, Rhino, Snake)Level 10: Double Clan XP (2 Hours)Level 11: Gold Clan TagLevel 12: Shattered Glass Background/Calling Card & Clan Wallpapers (Ghost Skull Cold, Natural, Smoke)Level 13: Unicorn Patch "Dreams Never Die"Level 14: Clan Wallpapers (Skull Red, Skull Camo, Skulls)Level 15: Dragon Scales Background/Calling Card & Clan Wallpapers (Dragon, Ninja, Samurai)Level 16: Dead Samurai Patch "Loyalty Division"Level 17: Double Clan XP (2 Hours)Level 18: Frog Patch "Royal Pain" & Clan Wallpapers (Alien Cyber, Alien Global, Alien Skull)Level 19: Unnamed Background/Calling Card & Unnamed Patch "Get in My Belly"Level 23: Gun Camo (Kiss of Death)Level 25 (Max): Red Clan Tag & Unnamed Patch "Leader of the Pack" Will update as soon as more Clan Rewards are confirmed!How to Check Your Clan ProgressThe In-game Clan Updates in the Barracks usually take an hour or two to update. So for an instant progresscheck use the Call of Duty® App. Around 30 seconds or so after a match, refresh "My Clan" or "My Profile" and it should show the updated Clan XP you earned! Sadly there is no way to show who earned what at this time. No information currently as to when or if this will change in the future.
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I list all the unlocks on that page that I'm aware of so far. Some we don't know about quite yet as no clan has gotten that high. The highest clan I know of that I'm tracking is level 18 so I'll keep updating that list as I get more info.