The History of Emojis: From π to π₯Ή
Modern emoji grew from early pictographic sets in Japan into characters standardized through Unicode and rendered by many platforms. Here is a concise history with links to the underlying standards.
1999: NTT DOCOMO's 176-Pictograph Set
The Museum of Modern Art documents Shigetaka Kurita's set of 176 pictographs for NTT DOCOMO's i-mode mobile internet platform in Japan.
The Museum of Modern Art records the set as 12-by-12-pixel pictographs designed for concise information on small mobile screens.
The set includes faces, weather, food, transport, and other everyday symbols.
2000s: Emoji Goes Mobile
Emoji first developed inside Japanese mobile services, where different carrier repertoires created conversion and interoperability problems.
Unicode Technical Standard #51 documents how characters from the Japanese carrier sets were mapped into a common encoded repertoire.
This concise timeline does not treat any one handset or vendor launch as the sole cause of global adoption.
2010: Unicode Standardization
Unicode Technical Standard #51 records that hundreds of remaining emoji characters were added in Unicode 6.0 in 2010, creating a shared standard that software vendors could implement.
A shared code point or sequence improves interchange, but vendors still choose their artwork, fonts, and release schedules.
2015-Present: Diversity & Expansion
Unicode 8.0 (2015) introduced skin tone modifiers, allowing 5 skin tone options for people emoji.
New emoji are added each year through a formal Unicode proposal process. Any person or organization can submit a proposal.
The repertoire changes with Unicode and Emoji versions. Use the current Unicode Full Emoji List rather than a permanently fixed count.
Quick reference
| Year | Milestone | Record used |
|---|---|---|
| 1982 | :-) and :-( proposed in a CMU bulletin-board thread | Recovered CMU thread |
| 1999 | NTT DOCOMO released a 176-pictograph set | Museum of Modern Art exhibition record |
| 2010 | A large set of emoji entered Unicode 6.0 | Unicode Technical Standard #51 |
βA clean timeline should never erase the difference between a precursor, a product release, and a standard.β
PasteMoji editorial principle
How this article was made
The chronology uses a recovered primary message thread, an institutional record of the original NTT DOCOMO set, and the Unicode emoji standard. Unsupported platform anecdotes are excluded or described cautiously.
- Locate the earliest available primary or institutional record for each milestone.
- Distinguish emoticon history from emoji history.
- Check standardization claims against Unicodeβs technical report.
- Keep the timeline concise and avoid implying one invention explains every pictographic tradition.
Limitations
- This is a selective digital-communication timeline, not a complete history of pictographs, symbols, Japanese mobile culture, or every vendor implementation.
- Institutional records can emphasize different milestones; the article identifies the scope of each cited source.
Review disclosure: the named reviewer is the same internal editorial organization as the author, not an independent subject-matter expert.
Sources and citations
[1] Original Bboard Thread in which :-) was proposed
Carnegie Mellon University
Supports: Scott Fahlman's 1982 proposal for :-) and :-( in the recovered bulletin-board thread.
[2] Inbox: The Original Emoji, by Shigetaka Kurita
The Museum of Modern Art
Supports: The 176-pictograph, 12-by-12-pixel NTT DOCOMO set released in 1999.
[3] Unicode Technical Standard #51: Unicode Emoji
Unicode Consortium
Supports: How emoji characters, presentation, sequences and platform rendering are standardized.
Corrections
No correction note accompanies this edition. If we materially correct a factual error, we add a dated note and follow our corrections policy.