The phrase "armed population" is correct and usable in written English.
It can be used in discussions about gun rights, self-defense, or military contexts where the presence of weapons among civilians is relevant.
Example: "The debate over gun control often centers around the idea of an armed population as a means of ensuring personal safety."
Alternatives: "militant citizenry" or "weaponized populace".
(The one argument that gun-rights absolutists have that I think has a smidgen of sense is that our heavily armed population might make it more difficult for a dictatorship in Washington or outside invader to impose its will. Still, could they defeat military forces?).
On October 8, 2015, in a transparent pandering to gun lovers and their lobbies, Republican presidential candidate Ben Carson made the shocking pronouncement that if the Jewish population of Germany had been armed "the Holocaust would have been less likely" -- an extension of the popular NRA dogma that an armed population is protection against criminals and despotic governments.
An armed population is simply more difficult to exterminate than one that is defenceless.
Those who think an armed population is a bad idea will have to settle for "anti-carnage".
The author of the relevant study concluded that if you care about police lives, then preventing interactions with an armed population is necessary.
Two men from Khowlan, an area east of Sana known for kidnapping and a heavily armed population, were killed on Friday.
"We are talking about an armed civil population.
Cepheids belonging to the spiral-arm Population I are characterized by regularity in their behaviour.
There are at least 40 seals in and around Roddickton-Bide Arm, population 999, the mayor said, and possibly many more.
The main sequence of Population II stars extends downward to fainter, redder stars in much the same way as in the spiral-arm Population I stars.
In 1973, as editor of the magazine The Humanist, Professor Kurtz drafted what came to be known as Humanist Manifesto II, in which he updated a 1933 document by addressing issues that the earlier document, which was largely a critique of theism, had failed to touch on, among them nuclear arms, population control, racism and sexism.
