market size; market scale
Refers to the total size of a market, often measured by revenue, volume, or number of participants. Common in business and economic contexts.
The size of Japan's e-commerce market is expanding year by year.
市場 (market) is the general term for a marketplace; 市場規模 specifically refers to the size or scale of that market.
規模 (scale, scope) is a broader term for size or extent; 市場規模 narrows it to the market context.
Compound of 市場 (market) and 規模 (scale, scope).