Earnings per share (Tables)

12 Months Ended

Mar. 31, 2022

Earnings Per Share [Abstract]

Summary of amounts and numbers used in calculation of net income attributable to NHI shareholders per share (basic and diluted)

The following table presents a reconciliation of the amounts and the numbers used in the calculation of net income attributable to NHI shareholders per share (basic and diluted) for the years ended March 31, 2020, 2021 and 2022.

	Millions of yen except per share data presented in yen
	Year ended March 31
	2020		2021		2022
Basic—
Net income attributable to NHI shareholders	¥	216,998	¥	153,116	¥	142,996
Weighted average number of shares outstanding		3,202,369,845		3,055,525,640		3,063,524,091
Net income attributable to NHI shareholders per share	¥	67.76	¥	50.11	¥	46.68
Diluted—
Net income attributable to NHI shareholders	¥	216,890	¥	153,064	¥	142,861
Weighted average number of shares outstanding		3,276,510,404		3,147,338,609		3,158,708,013
Net income attributable to NHI shareholders per share	¥	66.20	¥	48.63	¥	45.23