As America ages, certain factions and positions will win favor relative to their opposition. It doesn't mean they will carry the day, but ceteris paribus they should enjoy greater support on net. These are not necessarily positives or negatives; although I would have my opinions for sure. Note also that the sentiment behind this support is oftentimes emotional rather than rational.
In no particular order:
NIMBY
Immigration restrictions1
Police powers and broken-windows policing
The pro-life position2
Support for capital punishment
Physical space accessibility
Drug prohibition among other bad lifestyle prohibitions
Military intervention - as a projection of a protective front
Anti-tourism stances (excepting the support for elderly-friendly travel)
Nostalgia
AI safetyism
Prioritizing preservation over growth; status for that which appears to preserve over that which appears to disrupt - stability as a central goal
Inward focus
History's successful playbooks and strategies - resting on laurels at the expense of new experimentation
In short, FOOL (Fear Of Others' Liberty) and FOOM (Fear Of Others' Mistakes) are set on an ever-increasing path.
Noah Smith makes similar points here.
This is despite the fact that immigration is the quickest, surest temporary fix to impending entitlement insolvency.
At the margin from the age factor alone. Other factors push against the trend for sure, but age seems to be pretty clearly correlated with less support for abortion.