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Mizuho Financial Group is roughly tied with megabank peer Sumitomo Mitsui Financial Group for the status as Japan's second-largest bank after Mitsubishi UFJ Financial Group. In Japan, Mizuho has more of a corporate focus than SMFG, which has a larger retail business. Its overseas weighting is slightly smaller than that of MUFG. Mizuho expanded in recent years beyond its traditional Japanese borrowers, mainly through its core banking and securities units, focusing on the financing needs of global multinational corporations.

JPMorgan Chase is a leading global financial-services firm with operations in 66 countries and nearly 323,000 employees as of September 2026. Under the JPMorgan brands, the bank holding company boasts a $5.1 trillion balance sheet and $2.78 trillion in deposits as of September 2026. The firm generates its revenue across three core operating segments: consumer and community banking, the commercial and investment bank, and asset and wealth management. It maintains the top global ranking in investment banking fees with an 8.4% market share, serves millions of consumers through its network of over 5,000 US branches, and manages nearly $7.9 trillion in client assets within its wealth and asset management franchise.