Starc starred with the ball for the Aussies in their series defeat to South Africa, including a nine-wicket haul in the last match after taking six-wickets.
He replaces Jansen at the top of the red ball charts after the latter took only three wickets in the decisive third Test in Cape Town, who had only just recently overtaken Starc after his sterling second Test performance in Gqeberha.
Meanwhile, Proteas third Test hero spinner Simon Harmer makes the biggest jump on the charts, moving up nine positions into seventh position on the red-ball standings, one spot above Kagiso Rabada.
In the all-rounder rankings, Jansen retains top spot in the longer format following his important first innings knock of 52 at Newlands, while teammates Wiaan Mulder [third] and Harmer [fifth] also move up the charts.
England star Harry Brook remains the number one Test batsman while teammate Joe Root [second] and Australia's Travis Head [third] eclipse South Africa's captain Temba Bavuma, who moves to fourth spot.
David Bedingham has been dropped from the Proteas squad for the two-match home Test series against Bangladesh, with Tony de Zorzi and Zubayr Hamza recalled to bolster the batting unit.
Proteas captain Temba Bavuma admits head coach Shukri Conrad has a "crazy formula" when selecting a squad or an XI, but it went a long way into the Test series victory against Australia.
Proteas captain Temba Bavuma hopes his team has earned the respect it deserves after toppling Australia in what he described as "one of the iconic Test series" in South Africa.
The Proteas blew Australia's batting order away on the fifth day of the deciding Test at Newlands, the visitors crumbling to 111 all out as the hosts wrapped up a 176-run victory and a 2-1 series win.
