The world’s longest continuously reigning royal family
is over 2,600 years old.
Which country?

Question

Accepted Answer

Japan — the Imperial family, traceable to Emperor Jimmu, 660 BC. — The current emperor is the 126th in line. Whether that’s literally true or partly legend, it’s the longest recorded lineage on Earth.

The world’s longest continuously reigning royal family is over 2,600 years old. Which country?