Data is different between the two platforms because the way GA4 processes data is completely different from UA. Also, some of the metrics are now calculated differently or no longer exist.u003cbr/u003eu003ca href=u0022https://support.google.com/analytics/answer/11986666#zippy=%2Cin-this-articleu0022 target=u0022_blanku0022 rel=u0022noreferrer noopeneru0022u003eGoogle Support Articleu003c/au003e