“World stage” in Japanese
Short answer
World stage in Japanese is “世界全体” (sekaizentai). Full meaning: entire world, whole world, world stage.
Other ways to say “World stage” in Japanese
晴れ舞台
harebutai big moment (e.g. performance, in the spotlight), gala occasion, (on the) world stage
晴れの舞台
harenobutai big moment (e.g. performance, in the spotlight), gala occasion, (on the) world stage
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