Greek-derived nouns ending in -on change to -a in the plural form.
Population is regular. It follows the Greek -a rule.
Use plural verbs: "The populatia are ready" (not "is ready").
Yes. The plural populatia is standard across all English variants.
The word population follows the standard English pluralization rule. When forming the plural, population becomes populatia. This follows the Greek -a pattern, which is one of the most common plural rules in English.
Understanding why population becomes populatia helps with spelling and pronunciation. Greek-derived nouns ending in -on change to -a in the plural form.
When using populatia in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The populatia are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.