The upgrade to 'AAA' from 'AA+' on West Des Moines, Iowa's outstanding GO debt is based on continued strong management of the city's high growth rate, along with strong management of the city's financial position. West Des Moines continues to be an employment and residential center for the entire Des Moines metropolitan area. In addition to these characteristics, the rating also reflects the following rating factors: Participation and access to the larger Des Moines area economy, Strong population and tax base growth, Economic indicators that compare favorably with state and national averages, and A strong financial position with conservative management. Because of the city's pace of growth, a high debt burden is present. Although this factor does offset the credit