Discharge of the Yangtze River

The Yangtze is the longest and most economically important river in Asia and the fifth largest in the world in terms of flow. It is also the largest river entirely within a single country. Its estuary had an estimated annual flow of 995.8 km³/a (31,550 m³/s) between 1955 and 2021.

The last gauging station on the river is at Datong (30°50′57.9192″N 117°43′47.4096″E). At this location, the water flow is regularly monitored. The chart below is based on average flows between 1950 and 2020.^[1][2][3]

1950–1970

Year	Average discharge (m3/s)
1950	30,880
1951	26,167
1952	33,456
1953	28,272
1954	43,062
1955	29,215
1956	26,388
1957	25,696
1958	26,860
1959	24,500
1960	24,282
1961	27,800
1962	29,403
1963	27,455
1964	32,513
1965	27,581
1966	24,376
1967	27,675
1968	29,340
1969	27,518
1970	31,100

1971–1990

Year	Average discharge (m3/s)
1971	22,680
1972	22,021
1973	33,706
1974	26,450
1975	31,444
1976	26,262
1977	28,617
1978	21,415
1979	22,962
1980	32,065
1981	28,340
1982	30,737
1983	35,822
1984	28,178
1985	26,591
1986	23,190
1987	27,342
1988	27,596
1989	31,093
1990	27,430

1991–2020

Year	Average discharge (m3/s)
1991	28,813
1992	25,325
1993	31,516
1994	24,697
1995	31,672
1996	30,133
1997	24,602
1998	45,970
1999	34,752
2000	28,908
2001	23,064
2002	32,489
2003	28,593
2004	23,283
2005	33,589
2006	17,376
2007	22,497
2008	25,640
2009	23,032
2010	37,266
2011	15,962
2012	36,386
2013	23,220
2014	29,567
2015	30,824
2016	33,878
2017	30,186
2018	21,150
2019	29,163
2020	34,763