Which statement about income as a demographic variable is accurate? Although income distribution in the U.S. has become more polarized, it has leveled out in the world as a whole. The distribution of wealth in the U.S. has created more problems than opportunities for marketers. The stock market has caused a decrease in the polarization of wealth in the U.S. The maturing of the general population in the U.S. has caused a decrease in the polarization of wealth. The top one percent of the United States population have assets almost as much as those in the 50 to 90 percent group