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Approximate borders

The world in 400 CE

79 states, peoples and territories are mapped in 400 CE. The largest are Khoisan, Australian aboriginal hunter-gatherers, Paleo-Siberian hunter-gatherers.

Explore 400 CE on the map
World map of borders in 400 CE

Largest in 400 CE

Areas calculated from the map outlines (≈). Share of Earth's land area including Antarctica.

#State or peopleAreaShare of land
1Khoisan11,734,614 km² (4,530,760 sq mi)7.9%
2Australian aboriginal hunter-gatherers7,602,370 km² (2,935,292 sq mi)5.1%
3Paleo-Siberian hunter-gatherers7,295,326 km² (2,816,741 sq mi)4.9%
4West African cereal farmers5,884,635 km² (2,272,070 sq mi)4.0%
5Arctic marine mammal hunters5,834,245 km² (2,252,615 sq mi)3.9%
6Savanna hunter-gatherers4,816,290 km² (1,859,580 sq mi)3.2%
7Amazon hunter-gatherers4,287,400 km² (1,655,374 sq mi)2.9%
8Subarctic forest hunter-gatherers4,133,940 km² (1,596,123 sq mi)2.8%
9Finno-Ugric taiga hunter-gatherers3,374,889 km² (1,303,052 sq mi)2.3%
10Ruanruan2,933,625 km² (1,132,679 sq mi)2.0%
11Jin2,843,020 km² (1,097,696 sq mi)1.9%
12Plain bison hunters2,770,942 km² (1,069,867 sq mi)1.9%

What changed since 300 CE

Comparing the two snapshots. Some differences reflect improved mapping rather than real events, especially before 1500.

Grew the most

  • Gupta Empire968k km² → 2,483k km²
  • Sasanian Empire2,016k km² → 2,278k km²
  • Suren Kingdom924k km² → 1,090k km²

Shrank the most

  • Jin3,703k km² → 2,843k km²
  • Satavahanihara647k km² → 490k km²

Appeared

  • Ruanruan2,934k km²
  • Western Roman Empire2,325k km²
  • Eastern Roman Empire1,826k km²
  • Sixteen Kingdoms1,071k km²
  • Hunnic Empire875k km²
  • Caucasian Alans269k km²
  • Northern Liang161k km²
  • Visigoths54k km²

Disappeared

  • Rome (Diocletianus)1,497k km²
  • Rome (Maximian)1,422k km²
  • Saka Kingdom1,209k km²
  • Rome (Constantinus)750k km²
  • Rome (Galerius)591k km²
  • Han Zhao372k km²
  • Kalinga315k km²
  • Armenia262k km²

Land that changed hands, 300 CE – 400 CE

PartitionMade officialMediterranean

The Roman Empire is permanently divided

Control taken
395 CE
Made official
395 CE

Formalized the same year · Succession of Theodosius I's sons

On Theodosius I's death the empire splits between Honorius (West) and Arcadius (East). It is never reunited.

See it on the 400 CE map
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