"When I look back, I am super confident in my decision," he told SVT Sport, according to a Google translation. "I will never try to chase money, what I do is to compete. I did the right thing."
Aberg, 24, missed just one cut in 13 starts on the PGA Tour in 2023 and collected his first win at the RSM Classic in November.
He also won the Omega European Masters on the DP World Tour in September and helped Team Europe win the Ryder Cup.
Aberg joins Viktor Hovland of Norway and Tony Finau as high-profile PGA Tour players who have reportedly rejected LIV Golf overtures since Spain's Jon Rahm jumped to the Saudi-backed circuit earlier this month.
"I want to play against the best, because I am a competitive person and like to compete against the best players," Aberg said. "Unfortunately, (LIV Golf) doesn't look like that at the moment, it's a bit more fragmented.
"When I look at the PGA Tour and the competitions there, there is so much history around all the competitions," he added. "And that's what I like, that's what I go for. But then you have to respect everyone's decisions."
Aberg, who played collegiately at Texas Tech, currently sits at No.32 in the Official World Golf Ranking.
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