population

noun pop·u·la·tion \ ˌpä-pyə-ˈlā-shən \

Definition of population

1 a :the whole number of people or inhabitants in a country or region
b :the total of individuals occupying an area or making up a whole
c :the total of particles at a particular energy level used especially of atoms in a laser
2 :the act or process of populating
3 a :a body of persons or individuals having a quality or characteristic in common
b (1) :the organisms inhabiting a particular locality
(2) :a group of interbreeding organisms that represents the level of organization at which speciation begins
4 :a group of individual persons, objects, or items from which samples are taken for statistical measurement

populational

play \-shnəl, -shə-nᵊl\ adjective

Examples of population in a Sentence

  1. The world's population has increased greatly.

  2. The city has experienced an increase in population.

  3. There has been a sharp reduction in the bat population in this region.

  4. the rural population of America

Recent Examples of population from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'population.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of population

Late Latin population-, populatio, from Latin populus



POPULATION Defined for English Language Learners

population

noun

Definition of population for English Language Learners

  • : the number of people who live in a place

  • : a group of people or animals of a particular kind that live in a place


POPULATION Defined for Kids

population

noun pop·u·la·tion \ ˌpä-pyə-ˈlā-shən \

Definition of population for Students

1 :the whole number of people living in a country, city, or area
2 :a group of people or animals living in a certain place
  • the deer population

Word Root of population

The Latin word populus, meaning “people,” gives us the root popul. Words from the Latin populus have something to do with people. A population is the group of people living in a particular place. Anything popular is common among or enjoyed by many people. A place that is populous has many people living in it.


Medical Dictionary

population

noun pop·u·la·tion \ ˌpäp-yə-ˈlā-shən \

medical Definition of population

1 :the whole number of people or inhabitants in a country or region
2 a :a body of persons or individuals having a quality or characteristic in common
b (1) :the organisms inhabiting a particular locality
(2) :a group of interbreeding organisms that represents the level of organization at which speciation begins
3 :a group of individual persons, objects, or items from which samples are taken for statistical measurement


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