the world and the nation; state of the world; high affairs of state
A formal, somewhat literary compound referring to the broad condition of the world and the nation, or to weighty matters of national and international politics. Often used in elevated discourse.
Rather than discussing high affairs of state, I'd first like to improve my local community.
彼の演説は天下国家の話ばかりで、具体的な政策には触れなかった。
His speech was all about the state of the world and the nation, and didn't touch on concrete policies.