All countries by population

The following is a list of all countries by population.

We offer both a "scientific" nomenclature (metric prefixes for states, normalised to 1 million people ) - such as kilostates - and more informal language in terms of countries - such as megacountries.

The major boundaries are at multiples of 10 but in some cases there are minor boundaries at 3 (roughly the square root of 10) - the underlying theory being that "power" of a country is proportional to the square of its population (the number of binary interactions within its population).

Kilostates (Gigacountries: countries with at least 1000 million people)

China
India

Hectostates (Megacountries: countries with at least 100 million but less than 1000 million people)

Dekastates (countries with at least 10 million but less than 100 million people)

Macrostates (Macrocountries: countries with at least 30 million but less than 100 million people)

Mesostates (Mesocountries: countries with at least 10 million but less than 30 million people)

Orthostates (Midicountries: countries with at least 1 million but less than 10 million people)

Decistates (countries with at least 0.1 million (100,000) but less than 1 million people)

Tridecistates (Minicountries: countries with at least 0.3 million (300,000) but less than 1 million people)

Henduodecistates (Microcountries: countries with at least 0.1 million (100,000) but less than 0.3 million (300,000) people)

Centistates (Nanocountries: countries with at least 0.01 million (10,000) but less than 0.1 million (100,000) people)

Millistates (Picocountries: countries with less than 0.01 million (10,000) people)

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All countries by population

Contents

Kilostates (Gigacountries: countries with at least 1000 million people)

Hectostates (Megacountries: countries with at least 100 million but less than 1000 million people)

Dekastates (countries with at least 10 million but less than 100 million people)

Macrostates (Macrocountries: countries with at least 30 million but less than 100 million people)

Mesostates (Mesocountries: countries with at least 10 million but less than 30 million people)

Orthostates (Midicountries: countries with at least 1 million but less than 10 million people)

Decistates (countries with at least 0.1 million (100,000) but less than 1 million people)

Tridecistates (Minicountries: countries with at least 0.3 million (300,000) but less than 1 million people)

Henduodecistates (Microcountries: countries with at least 0.1 million (100,000) but less than 0.3 million (300,000) people)

Centistates (Nanocountries: countries with at least 0.01 million (10,000) but less than 0.1 million (100,000) people)

Millistates (Picocountries: countries with less than 0.01 million (10,000) people)

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All countries by population

Kilostates (Gigacountries: countries with at least 1000 million people)

Hectostates (Megacountries: countries with at least 100 million but less than 1000 million people)

Dekastates (countries with at least 10 million but less than 100 million people)

Macrostates (Macrocountries: countries with at least 30 million but less than 100 million people)

Mesostates (Mesocountries: countries with at least 10 million but less than 30 million people)

Orthostates (Midicountries: countries with at least 1 million but less than 10 million people)

Decistates (countries with at least 0.1 million (100,000) but less than 1 million people)

Tridecistates (Minicountries: countries with at least 0.3 million (300,000) but less than 1 million people)

Henduodecistates (Microcountries: countries with at least 0.1 million (100,000) but less than 0.3 million (300,000) people)

Centistates (Nanocountries: countries with at least 0.01 million (10,000) but less than 0.1 million (100,000) people)

Millistates (Picocountries: countries with less than 0.01 million (10,000) people)

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