Fine ---- now get the Hell off my lawn!
You’re just a kid. Get off my lawn!
We baby busters are living up to our name. Yay, demographic lull!
I’ve located some other threads that deal with ages, birth years and even birthdays, as well as some other related concepts. This is an expansion of the list linked to in the OP.
If you know of other similar threads, please provide link(s) to it/them.
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Birthday List
04-06-2001, 05:39 AM
Eutychus
Poll: Approximately how old are you?
10-21-2003, 03:13 AM
electric!sheep
What Dopers were born in the same year?
03-05-2008, 04:41 PM
Asimovian
What song was #1 on the day you were born
08-04-2008, 12:21 PM
Spiritinthesky
The SDMB birthday project
02-12-2009, 09:15 AM
tdn
What is the average age of Dopers?
03-02-2010, 04:21 PM
middleman
How old are you?
03-02-2010, 04:55 PM
Giles
Old Folks: Stand and be counted
03-09-2010, 07:15 AM
Zeldar
THIS IS THE DOPER YEAR/MONTH/DECADE OF BIRTH POLL (ignore all others)
03-13-2010, 11:24 AM
Sampiro
How old are you?
06-02-2011, 03:33 PM
Anaamika
How many Feb. 29s have you seen?
02-13-2013, 08:38 AM
Zeldar
How many US Presidents have there been in your lifetime? - In My Humble Opinion - Straight Dope Message Board
How many US Presidents have there been in your lifetime?
03-25-2013, 09:02 AM
Annie-Xmas
1998
Knew it, Qin Shi Haungdi and SuperSmartAlex are the only ones in my age group.
This thing has been stuck on 349 voters for days now.
It’s 350, now. 
October, 1960
Top of the bell curve baby!
And, you 1981-1985ers are screwing up a perfectly nice bell curve.
===========================
And here’s an update of the same analysis after 375 votes:
1936-1940 1 0.40% 1936-1940 2 0.53% 0.13% 1936-1940 0.13%
1941-1945 7 2.80% 1941-1945 8 2.13% -0.67% 1941-1945 -0.67%
1946-1950 9 3.60% 1946-1950 13 3.47% -0.13% 1946-1950 -0.13%
1951-1955 16 6.40% 1951-1955 23 6.13% -0.27% 1951-1955 -0.27%
1956-1960 30 12.00% 1956-1960 45 12.00% 0.00% 1956-1960 0.00%
1961-1965 38 15.20% 1961-1965 48 12.80% -2.40% 1961-1965 -2.40%
1966-1970 51 20.40% 1966-1970 76 20.27% -0.13% 1966-1970 -0.13%
1971-1975 29 11.60% 1971-1975 39 10.40% -1.20% 1971-1975 -1.20%
1976-1980 26 10.40% 1976-1980 41 10.93% 0.53% 1976-1980 0.53%
1981-1985 27 10.80% 1981-1985 50 13.33% 2.53% 1981-1985 2.53%
1986-1990 13 5.20% 1986-1990 23 6.13% 0.93% 1986-1990 0.93%
1991-1995 1 0.40% 1991-1995 3 0.80% 0.40% 1991-1995 0.40%
1996-2000 1 0.40% 1996-2000 3 0.80% 0.40% 1996-2000 0.40%
2001-2005 0 0.00% 2001-2005 0 0.00% 0.00% 2001-2005 0.00%
2006-2010 1 0.40% 2006-2010 1 0.27% -0.13% 2006-2010 -0.13%
Voters: 250 Voters: 375
To see how individual years within these 5-year groups are breaking out for the Over-49 crowd, see Dopers born before 1964 – Master List
I’m bumping this thread so as not to have to create another such survey of age groups and associated information.
The notion of a “Geezer Group” came up in some recent threads and it looked like it might be time for an update thread. After looking over the crop that I have had anything to do with (a partial list of which may be seen in this post) it seems that just resurrecting this one is the simplest approach.
Using your own definition of when “geezerhood” starts, these 5-year bunches should give some approximation of how the SDMB population that participate in such polls are distributed in numbers.
Add to the stats or add comments and observations as your mood strikes.
And for an update to the “Master List” mentioned above, check out Dopers born before 1964 – Master List – Updated Oct/10/2013 which was last posted to in Post #63 11-07-2013, 04:07 PM.
I’m a young’un - 1996-2000.
OK, OK, I’m getting off your stupid lawn . . .
1991 to 1995.
At the 500 Voters point, I’m continuing to be puzzled by this group:
1966-1970 86 19.11%
1971-1975 48 10.67%
1976-1980 48 10.67%
1981-1985 58 12.89%
It seems that either the 1971-1980 period is under-represented or else the
1981-1985 period is over-represented. I can’t figure why that would be.
I’ve been watching this graph since before the recent flurry of activity where the voters total has gone from 412 to 450 in a very short time. Couple days in fact.
Do you have any ideas on what may be behind such a thing?
Well, here’s a random graph I found of the birth rate over the decades. It would appear that the 70s saw a dip, which partially recovered in the early 80s - what you’re seeing here might just be indicative of the general population.
That should have said 450 Voters point. Duh!
Good thought and wonderful graph. Convincing on the face of it. Thanks!
Come on, people! We only have about 322 Votes to go before we catch up to the ones at How old are you? which has been up since 06-02-2011 and has amassed “Voters: 793” at the time of this post.
The sad thing is that the ages of many of the Voters in that older thread will have increased by up to 3 years in the meantime, so there’s going to be a mismatch in the data. This thread’s dates won’t change so the actual distribution of our ages ought to be more accurate – except for the ones who LIED! 
I believe that was known as the “baby bust,” and it really began in the mid 60s (but peaked – or bottomed out – in the late 70s, so it still seems to explain the bimodality of this thread’s poll pretty well.)