Does your Club need more Gen X & Gen Y members?

A recent survey in a moderately sized bushwalking club with a long history, produced a demographic which showed that the average age of participants in the survey was 52 years, and less than 20% were under 45 years.
While I can't find comparable data, 55% of the Australian population are under 39 years and the median is 34 years and increasing, so the age profile is not likely to get younger on its own.
Many Clubs have a similar high proportion of Baby Boomers (BD 1946-1964) and few members below 45 years old, who make up the Generation X's (BD 1965-1979) and Generation Y's (BD 1980-1994).
Does your Club need more Gen X & Gen Y members, and if so why?
While I can't find comparable data, 55% of the Australian population are under 39 years and the median is 34 years and increasing, so the age profile is not likely to get younger on its own.
Many Clubs have a similar high proportion of Baby Boomers (BD 1946-1964) and few members below 45 years old, who make up the Generation X's (BD 1965-1979) and Generation Y's (BD 1980-1994).
Does your Club need more Gen X & Gen Y members, and if so why?