esto he recopilado yo leyendo mucho y muchos periodicos. aun sigo recopilando datos
| SOCIOS | / | BETIS | / | SEVILLA |
| 2018/19 | / | 46350 | / | |
| 2017/18 | / | 52098 | / | 39480 |
| 2016/17 | / | 41192 | / | 38500 |
| 2015/16 | / | 44141 | / | |
| 2014/2015 | / | 37431 | / | 39568 |
| 2013/2014 | / | 33809 | / | |
| 2012-2013 | / | 35200 | / | 29000 |
| 2011-2012 | / | 37400 | / | |
| 2010-2011 | / | / | ||
| 2009-2010 | / | 30000 | / | 39000 |
| 2008-2009 | / | 37200 | / | |
| 2007-2008 | / | 37330 | / | 41300 |
| 2006-2007 | / | 38690 | / | 41872 |
| 2005-2006 | / | 38570 | / | 38700 |
| 2004-2005 | / | / | ||
| 2003-2004 | / | / | ||
| 2002-2003 | / | 35050 | / | 20000 |
| 2001-2002 | / | 36980 | / | 28000 |
| 2000-2001 | / | / | ||
| 1999-2000 | / | 38750 | / | 28000 |
| 1998-1999 | / | / | ||
| 1997-1998 | / | 40000 | / | |
| 1996-1997 | / | / | 34000 | |
| 1995-1996 | / | / | ||
| 1994-1995 | / | / | ||
| 1993-1994 | / | / | ||
| 1992-1993 | / | 19795 | / | 35800 |
| 1991-1992 | / | 17533 | / | 26200 |
| 1990/91 | / | 21268 | / | 30100 |
| 1989/90 | / | 18105 | / | 27700 |
| SOCIOS | / | BETIS | / | SEVILLA |
| 1988/89 | / | 15880 | / | 33500 |
| 1987/88 | / | 13615 | / | 30200 |
| 1986/87 | / | 12976 | / | 29200 |
| 1985/86 | / | 16332 | / | 25200 |
| 1984/85 | / | 15737 | / | 23300 |
| 1983/84 | / | 18344 | / | 22900 |
| 1982/83 | / | / | ||
| 1981/82 | / | / | ||
| 1980/81 | / | / | ||
| 1979/80 | / | / | ||
| 1978/79 | / | / | ||
| 1977/78 | / | / | ||
| 1976/77 | / | / | ||
| 1975/76 | / | / | ||
| 1974/75 | / | / | ||
| 1973/74 | / | / | ||
| 1972/73 | / | / | ||
| 1971/72 | / | / | ||
| 1970/71 | / | 15000 | / | |
| 1969/70 | / | / | ||
| 1968/69 | / | / | ||
| 1967/68 | / | / | ||
| 1966/67 | / | / | ||
| 1965/66 | / | / | ||
| 1964/65 | / | / | ||
| 1963/64 | / | / | ||
| 1962/63 | / | / | ||
| 1961/62 | / | / | ||
| 1960/61 | / | / | ||
| 1959/60 | / | 14000 | / | |
| SOCIOS | / | BETIS | / | SEVILLA |
| 1958/59 | / | / | ||
| 1957/58 | / | / | ||
| 1956/57 | / | / | ||
| 1955/56 | / | / | ||
| 1954/55 | / | / | ||
| 1953/54 | / | / | ||
| 1952/53 | / | / | ||
| 1952/53 | / | / | ||
| 1951/52 | / | / | ||
| 1950/51 | / | / | ||
| 1949/50 | / | / | ||
| 1948/49 | / | / | ||
| 1947/48 | / | / | ||
| 1946/47 | / | / | ||
| 1945/46 | / | 1000 | / | |
| 1944/45 | / | / | ||
| 1943/44 | / | / | ||
| 1942/43 | / | / | ||
| 1941/42 | / | / | ||
| 1940/41 | / | / | ||
| 1939/40 | / | / | ||
| 1938/39 | / | / | ||
| 1937/38 | / | / | ||
| 1936/37 | / | / | ||
| 1935/36 | / | / | ||
| 1934/35 | / | / | ||
| 1933/34 | / | / | ||
| 1932/33 | / | / | ||
| 1931/32 | / | 2000 | / | |
| 1930/31 | / | / | ||
| 1929/30 | / | / | ||
| 1928/29 | / | / | ||
| SOCIOS | / | BETIS | / | SEVILLA |
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