Today November 9, 2022, updated at 10:49 AM EST, CNN reporters Zachary B. Wolf and Curt Merrill remarked that the widely expected red wave did not materialize and then went on to present data that is inconsistent with the closeness of the voting.

The reporters compare the exit polls from the 2018 elections with those of the 2022 elections.  The comparisons show that the Democrats lost support in Tuesday's elections among women, moderates, youth, people of color, urban voters, college graduates, and independents.

https://www.cnn.com/interactive/2022/politics/exit-polls-2022-midterm-2018-shift/ 

The Democrats' support among women declined from 19 points favorable to Democrats to only 8 points.  Republican support among men rose from 4 points over Democrats to 14 points.

By age, the preference for Democrats over Republicans for 18-29 years of age declined from 35 points to 28 and for 30-44 years of age from 19 points to 4.  Republican support over Democrats rose from 1 to 10 points for those 45-64 years of age and from 2 to 12 points for those 65 and older.