IWWF & E&A - Age Chart & Categories 2018
| yob | age | waterski | wakeboard | wakesurf | cablewake | cableski | yob |
|---|
| 2025 | -7 | | | | | | 2025 |
| 2024 | -6 | | | | | | 2024 |
| 2023 | -5 | | | | | | 2023 |
| 2022 | -4 | | | | | | 2022 |
| 2021 | -3 | | | | | | 2021 |
| 2020 | -2 | | | | | | 2020 |
| 2019 | -1 | | | | | | 2019 |
| 2018 | 0 | U10 | 9&U | U11 | U15 | 9&U | 2018 |
| 2017 | 1 | U10 | 9&U | U11 | U15 | 9&U | 2017 |
| 2016 | 2 | U10 | 9&U | U11 | U15 | 9&U | 2016 |
| 2015 | 3 | U10 | 9&U | U11 | U15 | 9&U | 2015 |
| 2014 | 4 | U10 | 9&U | U11 | U15 | 9&U | 2014 |
| 2013 | 5 | U10 | 9&U | U11 | U15 | 9&U | 2013 |
| 2012 | 6 | U10 | 9&U | U11 | U15 | 9&U | 2012 |
| 2011 | 7 | U10 | 9&U | U11 | U15 | 9&U | 2011 |
| 2010 | 8 | U10 | 9&U | U11 | U15 | 9&U | 2010 |
| 2009 | 9 | U10 | 9&U | U11 | U15 | 9&U | 2009 |
| 2008 | 10 | U10 | 12&U | U11 | U15 | 12&U | 2008 |
| 2007 | 11 | U12 | 12&U | U11 | U15 | 12&U | 2007 |
| 2006 | 12 | U12 | 12&U | U15 | U15 | 12&U | 2006 |
| 2005 | 13 | U14 | 14&U | U15 | U15 | 14&U | 2005 |
| 2004 | 14 | U14 | 14&U | U15 | U15 | 14&U | 2004 |
| 2003 | 15 | U17 | 18&U | U15 | U15 | 18&U | 2003 |
| 2002 | 16 | U17 | 18&U | U19 | U19 | 18&U | 2002 |
| 2001 | 17 | U17 | 18&U | U19 | U19 | 18&U | 2001 |
| 2000 | 18 | U21 | 18&U | U19 | U19 | 18&U | 2000 |
| 1999 | 19 | U21 | Open | U19 | U19 | Open | 1999 |
| 1998 | 20 | U21 | Open | Open | Open | Open | 1998 |
| 1997 | 21 | U21 | Open | Open | Open | Open | 1997 |
| 1996 | 22 | Open | Open | Open | Open | Open | 1996 |
| 1995 | 23 | Open | Open | Open | Open | Open | 1995 |
| 1994 | 24 | Open | Open | Open | Open | Open | 1994 |
| 1993 | 25 | Open | Open | Open | Open | Open | 1993 |
| 1992 | 26 | Open | Open | Open | Open | Open | 1992 |
| 1991 | 27 | Open | Open | Open | Open | Open | 1991 |
| 1990 | 28 | Open | Open | Open | Open | Open | 1990 |
| 1989 | 29 | Open | Open | Open | Open | Open | 1989 |
| 1988 | 30 | Open | 30&O | Open | Open | 30&O | 1988 |
| 1987 | 31 | Open | 30&O | +30 | Open | 30&O | 1987 |
| 1986 | 32 | Open | 30&O | +30 | Open | 30&O | 1986 |
| 1985 | 33 | Open | 30&O | +30 | Open | 30&O | 1985 |
| 1984 | 34 | Open | 30&O | +30 | Open | 30&O | 1984 |
| 1983 | 35 | Open | 30&O | +30 | Senior1 | 30&O | 1983 |
| 1982 | 36 | 35+ | 30&O | +30 | Senior1 | 30&O | 1982 |
| 1981 | 37 | 35+ | 30&O | +30 | Senior1 | 30&O | 1981 |
| 1980 | 38 | 35+ | 30&O | +30 | Senior1 | 30&O | 1980 |
| 1979 | 39 | 35+ | 30&O | +30 | Senior1 | 30&O | 1979 |
| 1978 | 40 | 35+ | 40&O | +30 | Senior1 | 40&O | 1978 |
| 1977 | 41 | 35+ | 40&O | +40 | Senior1 | 40&O | 1977 |
| 1976 | 42 | 35+ | 40&O | +40 | Senior1 | 40&O | 1976 |
| 1975 | 43 | 35+ | 40&O | +40 | Senior1 | 40&O | 1975 |
| 1974 | 44 | 35+ | 40&O | +40 | Senior1 | 40&O | 1974 |
| 1973 | 45 | 35+ | 40&O | +40 | Senior2 | 40&O | 1973 |
| 1972 | 46 | 45+ | 40&O | +40 | Senior2 | 40&O | 1972 |
| 1971 | 47 | 45+ | 40&O | +40 | Senior2 | 40&O | 1971 |
| 1970 | 48 | 45+ | 40&O | +40 | Senior2 | 40&O | 1970 |
| 1969 | 49 | 45+ | 40&O | +40 | Senior2 | 40&O | 1969 |
| 1968 | 50 | 45+ | 50&O | +40 | Senior2 | 50&O | 1968 |
| 1967 | 51 | 45+ | 50&O | +40 | Senior2 | 50&O | 1967 |
| 1966 | 52 | 45+ | 50&O | +40 | Senior2 | 50&O | 1966 |
| 1965 | 53 | 45+ | 50&O | +40 | Senior2 | 50&O | 1965 |
| 1964 | 54 | 45+ | 50&O | +40 | Senior2 | 50&O | 1964 |
| 1963 | 55 | 45+ | 50&O | +40 | Senior3 | 50&O | 1963 |
| 1962 | 56 | 55+ | 50&O | +40 | Senior3 | 50&O | 1962 |
| 1961 | 57 | 55+ | 50&O | +40 | Senior3 | 50&O | 1961 |
| 1960 | 58 | 55+ | 50&O | +40 | Senior3 | 50&O | 1960 |
| 1959 | 59 | 55+ | 50&O | +40 | Senior3 | 50&O | 1959 |
| 1958 | 60 | 55+ | 50&O | +40 | Senior3 | 50&O | 1958 |
| 1957 | 61 | 55+ | 50&O | +40 | Senior3 | 50&O | 1957 |
| 1956 | 62 | 55+ | 50&O | +40 | Senior3 | 50&O | 1956 |
| 1955 | 63 | 55+ | 50&O | +40 | Senior3 | 50&O | 1955 |
| 1954 | 64 | 55+ | 50&O | +40 | Senior3 | 50&O | 1954 |
| 1953 | 65 | 55+ | 50&O | +40 | Senior3 | 50&O | 1953 |
| 1952 | 66 | 65+ | 50&O | +40 | Senior3 | 50&O | 1952 |
| 1951 | 67 | 65+ | 50&O | +40 | Senior3 | 50&O | 1951 |
| 1950 | 68 | 65+ | 50&O | +40 | Senior3 | 50&O | 1950 |
| 1949 | 69 | 65+ | 50&O | +40 | Senior3 | 50&O | 1949 |
| 1948 | 70 | 65+ | 50&O | +40 | Senior3 | 50&O | 1948 |
| 1947 | 71 | | 50&O | +40 | Senior3 | 50&O | 1947 |
| 1946 | 72 | | 50&O | +40 | Senior3 | 50&O | 1946 |
| 1945 | 73 | | 50&O | +40 | Senior3 | 50&O | 1945 |
| 1944 | 74 | | 50&O | +40 | Senior3 | 50&O | 1944 |
| 1943 | 75 | | 50&O | +40 | Senior3 | 50&O | 1943 |
| 1942 | 76 | | 50&O | +40 | Senior3 | 50&O | 1942 |
| 1941 | 77 | | 50&O | +40 | Senior3 | 50&O | 1941 |
| 1940 | 78 | | 50&O | +40 | Senior3 | 50&O | 1940 |
| 1939 | 79 | | 50&O | +40 | Senior3 | 50&O | 1939 |
| 1938 | 80 | | 50&O | +40 | Senior3 | 50&O | 1938 |
| 1937 | 81 | | 50&O | +40 | Senior3 | 50&O | 1937 |
| 1936 | 82 | | 50&O | +40 | Senior3 | 50&O | 1936 |