Conscription is universal for all men and women from the age of 18.

But this is not universal, for reasons including the following:

Don't they know they're only allowed to write about something if it's universal for everyone on every platform?

Suffrage is nearly universal for citizens 18 years of age and older.

Some things were universal for children, even in war.

Suffrage is universal for those over 18 years of age.

The education system was implemented as universal for all children.

But see, what it comes down to, and it's universal for all relationships, is communication.

Yes, that sort of magic does seem to be universal, for those who have the equipment.

You want something that's universal for the first one.