IN THIS PAPER, WE FOCUSED ON 2 COUNTRIES SUCH AS INDONESIA , ONE OF THE UNDER DEVELOPMENT COUNTRIES AND JAPAN. AT THE FIRST STAGE, WE TRY TO EXAMINETHE PLANNING SYSTEM, THE RELATED LAWS, THE ADMINISTRATIVE ORGAN AND THEIR MAIN PLANS FOR THECAPITAL DEVELOPMENT IN EITHER JAKARTA AND TOKYO. AT THE NEXT STAGE, WE ANALYZE AND COMPARE THE SITUATIONS OF 2 COUNTRIES WITH THESE KNOWLEDGE AND INFORMATION. THROUGH THIS STUDY, IT CAN BE SHOWED THAT THERE ARE SOME POINTS OF VIEW SUCH AS THE SIMILARITY BETWEEN THE PRESENT SITUATION IN INDONESIA AND THE PAST SITUATION IN JAPAN (ABOUT 20〜30 YEARS AGO).