Unicode 9.0 represents emoji using 1,126 characters spread across 22 blocks, of which 1,085 are single emoji characters, 26 are Regional Indicator Symbols that combine in pairs to form flag emoji, and 12 (#, * and 0-9) are base characters for keycap emoji sequences:[REF][REF] .
637 of the 768 codepoints in the Miscellaneous Symbols and Pictographs block are considered emoji.