Although the economy is the number one source of stress for Millennials today, three-quarters still say that they’re “very happy,” highlighting how they're an optimistic generation. Their family tends to bring them the most joy with 45% of 9-30-year-olds saying that someone in their family is their best friend. These are among the many findings in Viacom’s “The Next Normal: An Unprecedented Look at Millennials Worldwide” study, which offers thorough insights about Millennials around the world. (Viacom)