Flags East and Southeast Asia Japan

Flag of Japan

country

The flag of Japan was adopted on August 13, 1999. White field with a centred crimson disc. It uses 2 colours: white and crimson. The official proportions are 2:3.

The national flag of Japan
Hoist Ratio 2:3 Fly

Basic Flag Information

Flag Name Flag of Japan
Country Japan
Official Country Name Japan
Capital Tokyo
Continent Asia
Region Eastern Asia
ISO Country Code JP / JPN
Internet Domain .jp, .みんな
Calling Code +81
Currency Japanese yen (JPY)
National Language(s) Japanese
Demonym Japanese
Area 377,930 km²
Population 123 million (2025 est.)

Flag Specifications

Official Flag Name Flag of Japan
Adopted On August 13, 1999
First Used 1870
Current Version Adopted August 13, 1999
Flag Proportion 2:3
Flag Shape Rectangle
Number of Colors 2
Main Colors White, Crimson
Design Type White field with a centred crimson disc
Official Status Official National Flag
Government Authority Government of Japan

Flag Color Information

Color Appearance HEX Code RGB CMYK
White #FFFFFF 255, 255, 255 0, 0, 0, 0
Crimson #BC002D 188, 0, 45 0, 100, 76, 26

Flag Design and Symbols

White colour Represents purity and honesty
Crimson colour Represents the sun, sincerity and passion
Hinomaru “Circle of the sun” — the sun goddess Amaterasu, from whom the imperial line is traditionally descended, and the name Nippon, “origin of the sun”

Flag History

Year / Period Event
1870 The design was first used
1999-08-13 The current flag was officially adopted
Present The flag remains in official use
Present The flag remains in official use

Flag Dimensions and Construction

Official Ratio 2:3
Width 2 units (hoist)
Length 3 units (fly)

Japan Flag Usage

Government Buildings Yes
Schools Yes
Civil Use Yes
Official Ceremonies Yes
Sports Events Yes
National Holidays Yes
Military Yes
Naval Use Yes
Embassies Yes
International Events Yes

Other Official Flags of Japan

Flag Type Use Link
National Flag National representation View flag
Civil Flag Used by civilians View flag
State Flag Used by government View flag
War Flag Used during military operations View flag
Naval Ensign Used by the navy View flag
Air Force Flag Used by the air force View flag
Presidential Standard Used by the head of state View flag
Royal Standard Used by the monarch View flag
Historical Flag Previous national flag View flag

Quick Facts About the Flag

Flag Age 27 years old as of 2026
Adoption Date August 13, 1999
Oldest Version 1870
Flag Nickname Hinomaru (the circle of the sun)
Most Common Color White
Similar Flags Arkansas, Aruba, Belize
Unique Feature White field with a centred crimson disc

Other plain field with a central emblem flags

See all

Facts about the Flag of Japan

  1. The disc was moved to the exact centre in 1999, when a law finally fixed the flag's specification; it had previously sat slightly toward the hoist.
  2. The same law changed the proportions from 7:10 to 2:3 and set the disc's diameter at three fifths of the flag's height.
  3. The design is one of the simplest in the world — one shape, two colours — and is frequently cited as the model of good flag design.
  4. The flag of Japan was officially adopted on August 13, 1999.
  5. The design is older than its adoption. It was already in use in 1870, 129 years before it was formally made the flag of Japan.
  6. The flag in its present form is 27 years old as of 2026.
  7. Design type: White field with a centred crimson disc.
  8. The flag is known as Hinomaru (the circle of the sun), a name used far more often than the formal "flag of Japan".
  9. The official proportions are 2:3. It shares that ratio with 82 national flags.
  10. The flag uses 2 colours: white and crimson.
  11. The white on the flag stands for purity and honesty.
  12. The crimson on the flag stands for the sun, sincerity and passion.
  13. Hinomaru: “Circle of the sun” — the sun goddess Amaterasu, from whom the imperial line is traditionally descended, and the name Nippon, “origin of the sun”.
  14. The design belongs to the "Plain field with a central emblem" family, shared with 70 other flags in this reference.
  15. Flags most often confused with it: Arkansas, Aruba and Belize.
  16. Japan was never colonised. Its imperial line is the oldest continuous hereditary monarchy in the world, and the present constitution took effect in 1947.
  17. Sumo is the national sport; baseball and football are the most watched.
  18. The national animal is the green pheasant, the national bird, with the koi as national fish.

Frequently Asked Questions about the Flag of Japan

When was the flag of Japan adopted?

The flag of Japan was officially adopted on August 13, 1999, though the design had already been in use since 1870.

What do the colours of the flag of Japan mean?

White for purity and honesty and crimson for the sun, sincerity and passion.

When did Japan gain independence?

Japan was never colonised. Its imperial line is the oldest continuous hereditary monarchy in the world, and the present constitution took effect in 1947.

What is the national sport of Japan?

Sumo is the national sport; baseball and football are the most watched.

What do the symbols on the flag of Japan represent?

Hinomaru — “Circle of the sun” — the sun goddess Amaterasu, from whom the imperial line is traditionally descended, and the name Nippon, “origin of the sun”.

What are the proportions of the flag of Japan?

The official ratio is 2:3, which makes the flag rectangular. It shares those proportions with 82 national flags.

What is the national anthem of Japan?

The national anthem is "Kimigayo, whose lyrics are a poem from the ninth century".

When is the national day of Japan?

It falls on 11 February, National Foundation Day, and the flag is flown across the country.

What is the national animal of Japan?

The national animal is the green pheasant, the national bird, with the koi as national fish.

What is the capital of Japan?

The capital is Tokyo. The currency is the Japanese yen (JPY) and the language spoken is Japanese.