According to trends noted in the white paper ESRI Demographic Update Methodology: 2006/2011, published in conjunction with the release of ESRI's 2006/2011 demographic data updates, immigration continues to fuel the United States. diversification rate by 1 percent per year. Government agencies and commercial organizations are increasingly aware of their challenges to provide the appropriate products and services to this varied population. Languages, lifestyles, and spending patterns must be properly considered in messaging and marketing efforts that are targeted to each group.