4) Today there are 3000+ emojis:

Unicode’s official library of emojis is updated every year and as of March 2019, there are 3019 official emojis. 230 new emojis were approved for 2019 with additions including new colors for squares, circles, and hearts as well as a diving mask, Hindu temple, and flamingo. Accessibility emojis proposed by Apple in 2018 are also included in this release, as well as a gender-inclusive couple.