According to the 2010 US Census data, more than 5 million people claimed Native American ancestry. That’s up almost 40% from the last census. It's a big shift from the years people shunned Native identity. If you can prove you're part of a tribe and the tribe accepts you, it can potentially mean health benefits or help with college tuition. But, all these new Native' people are leading to questions about what it means to be Native within a tribe.