As we approach 2014, cities large and small confront challenges that not only impact the quality of life of those who live and work there, but the success of our entire nation. The National League of Cities is highlighting the most pressing of these challenges in this report.

With more than 80 percent of Americans living in cities, and with cities producing more than 75 percent of our nation's economic output, it is imperative that we fnd solutions.1, 2 Cities across the country are innovating, but cannot and should not continue to go it alone. Partnerships among local governments, citizens, businesses, nonproft organizations, and federal, state, and county leaders are needed. Together we can ensure that our nation's cities thrive and continue to be centers of opportunity and national economic prosperity.