noun which may take the genitive case particle 'no'
Used as a no-adjective to modify nouns, meaning 'political' in the sense of relating to politics or government.
その決定には政治上の配慮が必要だ。
That decision requires political consideration.
adverb
politically; from a political standpoint
Adverbial use, often modifying verbs or whole clauses to indicate a political perspective or context.
この発言は政治上、大きな意味を持つ。
Politically, this statement has great significance.
Compound of 政治 (politics) and 上 (from the viewpoint of). The reading じょう is a standard suffix meaning 'in terms of' or 'from the perspective of'.