
[quote]BostonBarrister wrote:
vroom wrote:
I think you underestimate the divorces after the ten year mark a lot.
Plenty of marriages fail when “the children” are no longer a reason to be together. Since children generally arrive around the time of marriage, presumably somewhat after, it takes more than ten years for the children to be out of the day to day picture.
EmilyQ wrote:
Yes.
BostonBarrister wrote:
That can easily be a function of getting married later – the stats on whether you hit a particular anniversary encompass those who die in addition to those who divorce.
EmilyQ wrote:
Oh, sure. Many of the people who married in 1980-1984 were probably in their late fifties-early sixties, and died of old age before reaching their fifteenth or twentieth anniversaries.
Good thinking.
Not necessarily. Remember, a marriage reaching a threshold anniversary requires both parties to survive for that amount of time after marriage. So the probability function needs to include the probability of both partners surviving for 25 years after marriage.
Check out the actuarial tables:
So, accidents and other tragic deaths of younger people will enter into these stats - with you assuming they are divorces.
Now, as to older folks also affecting the calculation, consider two items:
- people are marrying later, generally;
- there are some number of 2nd or 3rd marriages between older folks that are included in the measured marriages for any given year.
The median life expectancy for a 35 year old male is 41.48 years, but the probability of death in the next year is a non-trivial .1732% - and this is the median. An overweight working-class guy who marries for the first time in his forties might very well not see age 65. And if it’s his 2nd or 3rd marriage, the same thing holds.
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BB, I’m still responding to your initial assertion that the old divorce claims no longer hold true. Let me refresh your memory:
[i]Note it’s not a perfect corrolation of the measurements, but I think we can safely assume those who are married for 10 years have a much reduced likelihood of getting a divorce (much like life-expectancy statistics can be severely impacted by infant mortality rates).
So, all things being equal, the average person entering a marriage has a 75% chance of making it to the 10th anniversary. That seems to be to be a fairly stark contrast to claims that the average marriage has a greater than 50% chance of ending in divorce…[/i]
Indeed, according to the Census Bureau table (reposted here for ease of reading), chances of divorcing have slightly worsened.
I agree that people are remarrying, and hence starting marriage older, but on the other hand, life expectancy has increased since the 70s, and continues to increase. That offsets the remarriage issue to at least some extent.
Speculating about the ten-year improvement, I’d say that we’re watching the first generation of divorce kids manage adulthood. They are more inclined to stay together until their own kids are grown. Too, we now have empirical evidence to suggest that divorce negatively impacts children.