The Japanese Emperor: Who He Is, What He Does, and Why the Count Starts from a Legend
The Japanese emperor is the head of the imperial house and, under the 1947 constitution, a symbol of the state with no political power. The current emperor, Naruhito, is the 126th, and he ascended the throne on May 1, 2019. The count begins with the legendary Jimmu, traditionally dated to 660 BCE, while the tenth ruler, Sujin, is generally considered the first historically verifiable emperor. The title 天皇 took hold in Japan around the 7th century.
"Japanese emperor" is a question hiding two different ones: how old the dynasty is and what power the emperor has now. Legend and two constitutions give separate answers: the count starts in 660 BCE. He lost political power in 1947, and a year earlier a rescript rejected the idea of him as a living god. We look at what stands behind the title 天皇, what the court does, and why women have sat on the throne even though the current law does not open that path.
How Many Emperors Have There Been, and Where Does Reliable History Begin?
The current emperor of Japan, Naruhito, is the 126th by the official count; he ascended the throne on May 1, 2019. The count begins with Emperor Jimmu, traditionally dated to 660 BCE. However, Japanese historiography openly calls the early rulers legendary figures: the first whose existence is considered historically confirmed is generally named as the tenth, Emperor Sujin.
Why the Count Begins in 660 BCE
The date of Jimmu's accession is not an archaeological find but a calculation by 8th-century Japanese chroniclers, the authors of the Kojiki and Nihon Shoki: according to legend, he was a descendant of the goddess Amaterasu. The traditional count of an unbroken dynasty remains part of the state calendar and court rituals; modern historiography relies on other rulers—those whose existence is confirmed by independent sources.
What the Emperor Could Do Before and What He Can Do Now
| What He Decides | Constitution of 1889 | Constitution of 1947 |
|---|---|---|
| Position in the State | Head of state; the dynasty is declared unbroken (Art. 1) | Symbol of the state and of the unity of the people (Art. 1) |
| Supreme Authority | Belongs to the emperor (Art. 4) | The emperor has no powers in matters of state (Art. 4) |
| Army and Navy | Supreme commander of the army and navy | Has no relation to the armed forces in the former sense |
| Appointing the Head of Government | Appoints and dismisses ministers himself | Appoints the prime minister on the nomination of the parliament |
| Role in Rituals | High priest of Shinto; rituals are part of state authority | Rituals are a private matter of the imperial house |
A Year Filled with Rituals
Beyond the norms of the two constitutions, the court's work is shaped by the annual cycle of Shinto rituals. Some of them, such as the New Year prayers and the autumn harvest festival Niiname-sai, the emperor performs personally at the shrines of the Tokyo palace. Others—receiving ambassadors, meeting heads of state, traveling through the prefectures—he carries out together with his wife as part of his representative duties.
天皇 and Why the Title Is Translated in Different Ways
皇 — значение: emperor, monarch, imperial — онъёми: コウ、オウ — 9 штрих(ов). 皇 — "emperor, monarch": 9 strokes. The character itself means "sovereign"; the neighboring 天 adds "heaven" to the title, and 皇 also appears in 皇室 (こうしつ), "imperial house."
Heavenly Sovereign: What the Characters Themselves Say
天皇 is read てんのう (tennō) and is made up of 天 "heaven" and 皇 "sovereign, monarch": together, "a sovereign whose authority descends from heaven." A similar combination of characters was used by Chinese emperors, but the title became fixed to the Japanese ruler separately, around the 7th century—the exact date remains a matter of debate among historians. In English the word is usually translated as "emperor," following the sense and the conventions for rendering monarchic titles. The reason is that the Japanese title does not follow European rules of succession and combines secular authority with a Shinto role that most European monarchs do not have.
| Japanese | Reading | Translation |
|---|---|---|
| 天皇 | tennō · tennō | The official title of the monarch of Japan |
| 皇室 | kōshitsu · kōshitsu | The imperial house—the entire ruling family |
| 皇居 | kōkyo · kōkyo | The Imperial Palace in Tokyo |
| 天皇陛下 | Tennō Heika · Tennō Heika | His Majesty the Emperor—a respectful form of address |
| 皇位 | kōi · kōi | The imperial throne |
Write 皇 along the guides—the second character in 天皇, "sovereign" in the emperor's title.
How the Emperor Stopped Being a God but Remained
On January 1, 1946, a document was made public, officially titled the "Rescript on the Construction of a New Japan" (新日本建設ニ関スル詔書); in the literature it is called the "Declaration of Humanity." The rescript rejected the idea of the emperor as a manifest god (現御神), calling that idea groundless. It did not, however, deny the descent of the imperial house from the gods—these are different claims, and the common formula "renounced divinity" coarsens the content.
What Exactly the 1946 Rescript Said
The Japanese text of the rescript turned out milder than the English draft prepared by the occupation authorities' staff: the word divine in the English version and the concept 現御神 in the Japanese do not mean quite the same thing. The emperor himself later explained that the document's main purpose was to show that the path to popular rule for Japan was not a borrowing from outside but a continuation of the course set by the Charter Oath of the Meiji era.
Article 1 of the 1947 constitution established the emperor as the symbol of the state and of the unity of the people, without powers in matters of state. The current emperor, Naruhito, ascended the throne on May 1, 2019, after the abdication of his father, Emperor Akihito—a rare case of a change of power without the predecessor's death. For this case, the parliament passed a separate law in 2017: the permanent order set out in the Imperial House Law does not provide for abdication, and no other such laws have been passed since. Succession to the throne follows the male line of the imperial house.
FAQ
- Who is the Japanese emperor and what power does he have?
- The Japanese emperor is the head of the imperial house of Japan, the oldest hereditary monarchy by traditional count. Under the 1947 constitution, he is the symbol of the state and of the unity of the people and has no powers in matters of state—he appoints the prime minister and convenes the parliament only on the nomination of other branches of government. Before 1947, under the 1889 constitution, the emperor held supreme authority in the country.
- How many Japanese emperors have there been in total?
- The current emperor, Naruhito, is the 126th by the official count, which includes two cases of re-ascension to the throne. The count begins with the legendary Emperor Jimmu, traditionally dated to 660 BCE, but Japanese historiography openly calls the early rulers legendary figures: the tenth, Emperor Sujin, is generally considered the first historically confirmed emperor.
- How do you say "emperor" in Japanese, and what does 天皇 mean?
- "Emperor" in Japanese is 天皇, read てんのう (tennō). The character 天 means "heaven," and 皇 means "sovereign, monarch": together, "a sovereign whose authority descends from heaven." The title became fixed to the Japanese ruler around the 7th century; in polite speech, the address 天皇陛下—"His Majesty the Emperor"—is also used.
- Is it true that the Japanese dynasty has been unbroken for 2,600 years?
- This is a traditional count, not a fact verified by historians. The official count begins with Jimmu and 660 BCE, but Japanese historiography itself acknowledges the first rulers as legendary figures: the tenth emperor, Sujin, is generally considered the first historically confirmed. The continuity of the line throughout that entire span is established by tradition, not by independent sources.
- Did the emperor renounce his divine origin in 1946?
- Not exactly. The rescript of January 1, 1946, rejected the idea of the emperor as a manifest god (現御神), calling that idea groundless, but it did not deny the descent of the imperial house from the gods—these are different claims. The Japanese text turned out milder than the English draft prepared by the occupation authorities' staff: the word divine and the concept 現御神 do not mean quite the same thing.
- Can a woman take the Japanese throne?
- Under the current Imperial House Law of 1947, no: the throne is inherited through the male line. But historically there were women on the throne: eight empresses occupied it in ten reigns—two of them ascended twice. The last was Go-Sakuramachi, who ruled from 1762 to 1771, already at the end of the Edo period.
Sources
Updated: 2026-09-22