We do not have that information. If you are in one of the states that are killing them, then not many. You would need to check with your state wildlife entities for the numbers, but even then, they may over state numbers to allow for the continued killing. There has been a concerted effort by hunting groups as well as state and federal wildlife officials to kill Mute Swans throughout the U.S to open habitats for the introduction of the larger Trumpeter Swans for Trophy Waterfowl hunting purposes. Wildlife agencies maintain their budgets through hunting, so nothing is safe. The Regal Swan