Abstract
This paper describes the vulnerability of coastal zones in the world taking account of storm surges, sea-level rise by global warming and population growth. Storm surges due to tropical cyclones since the year of 1951 were hindcasted by a numerical simulation in the world. The global map of the storm surges of which return period is 100 years was made in the resolution of 120 arc-seconds. The sea-level rise and population growth according to SRES scenario of IPCC was used to project the quantitative vulnerability of coastal zone by storm surges in the 21st century. The projected results showed that the increase in the affected populations in the century will depend on the population growth in the world, especially Asia. Impact on sea-level rise with storm surges will also become clear after the year of 2050.
