The Japanese Imperial Family is widely considered to be the oldest continuous hereditary monarchy in the world.
The lineage of the Japanese Imperial Family, also sometimes referred to as the "Yamato dynasty" or "Yamato clan," traces back to ancient times. While precise historical dating is difficult to confirm definitively, traditional accounts and mythology suggest an unbroken line extending for centuries. The imperial family rose to prominence near the Yamato Province, becoming a central power in the region.
While other royal families boast long histories, the Japanese Imperial Family stands out due to its claim of an unbroken lineage and the continuity of the monarchy itself.