Comparing marks from say 2019 to 1989 is tough to do as technology, drugs and drug testing have changed a lot. So Malcolm Gladwell a few years back suggested on the House of Run podcast that we start looking at "Decade Records" instead of World Records. So here they are:
https://www.letsrun.com/news/2019/10/malcolm-gladwells-decade-records-here-are-the-top-10-womens-track-field-performers-of-the-2010s-in-every-event/
https://www.letsrun.com/news/2019/10/malcolm-gladwells-decade-records-here-are-the-top-10-mens-track-field-performers-of-the-2010s-in-every-event/