….This paper provides a comprehensive accounting of pension and OPEB liabilities for state and local governments and the fiscal burden that they pose. The analysis includes plans serving more than 800 entities: 50 states, 178 counties, 173 major cities, and 415 school districts related to the sample of cities and counties. The analysis apportions the liabilities of state-administered cost-sharing plans to participating local governments for a more accurate picture of which governmental entity is actually responsible for funding pension and OPEB liabilities. The cost analysis calculates, separately, pension and OPEB costs as a percentage of own-source revenue for states, cities, and counties. It then combines pension and OPEB costs to obtain the overall burden of these programs. Finally, it adds debt service costs to provide a comprehensive picture of government revenue commitments to long-term liabilities….