We are grateful for helpful comments and discussion from Yasushi Ono, Keiichiro Kobayashi and the meeting participants at ESRI workshop on November 22, 2010.Our study employs an OLG model under which political strengths of different generations (the working and retirees with and without children) determine the distribution of the fiscal burden between the generations, including the future generation. We investigate the relationship between the extent of intergenerational altruism, the political regime, and the intergenerational distribution of the fiscal burden. We show that if the working generation were to care more about the utility of the retirees (their parents), cooperation between the working and retirees with children would be possi...