Many western cultures have notions similar to karma, as demonstrated in the phrase "What goes around comes around. "Christian expressions similar to karma include "Reap what one sows" (Galatians:6:7) and "Live by the sword, die by the sword" (Matthew 26:50).
Wicca teaches the rule of three, which states that whatever energy a person puts out in the world, be it positive or negative, will be returned to the person three times.
In Hinduism, God plays a role and is seen as a dispenser of its version of karma. Upanishad of Hinduism 7th century BC wrote: "And whatever deed he does, that he will reap."
Generally, western popular culture portrays karma as a more supernatural mystical force then a perspective on causality. This is more similar to Hinduism's concept of karma then Buddhism.
I want to believe, "What goes around comes around," but in this society that seems to promote narcissism and greed. I have my doubts. I would love to hear what other people feel about this matter.