Il numero 2021, duemilaventuno in Italiano, in Inglese si dice two thousand twenty-one.
Il numero ordinale 2021° in inglese si dice two thousand twenty-first.
2012: two thousand twelve
2013: two thousand thirteen
2014: two thousand fourteen
2015: two thousand fifteen
2016: two thousand sixteen
2017: two thousand seventeen
2018: two thousand eighteen
2019: two thousand nineteen
2020: two thousand twenty
2022: two thousand twenty-two
2023: two thousand twenty-three
2024: two thousand twenty-four
2025: two thousand twenty-five
2026: two thousand twenty-six
2027: two thousand twenty-seven
2028: two thousand twenty-eight
2029: two thousand twenty-nine
2030: two thousand thirty