Australia is currently placed second with 109 points while South Africa is third with 107 points.
Tom Latham and Colin de Grandhomme guided New Zealand to a series-sweeping nine-wicket victory over Bangladesh in the second test in Christchurch on Monday.
The third day of the second and final Test between New Zealand and Bangladesh was abandoned Sunday after persistent rain in Christchurch.
Bangladesh unleashed Shakib Al Hasan with dramatic effect late on day two of the second Test against New Zealand claiming three quick wickets to leave the contest evenly poised on Saturday
Tim Southee captured his sixth five-wicket haul in test cricket as New Zealand bowled Bangladesh out for 289 at Hagley Oval in Christchurch on Friday.
Bangladesh captain Mushfiqur Rahim, Kayes and Mominul ruled out in the second Test against New Zealand in Christchurch on Friday.
Rabada moves ahead of Steyn to become South Africa highest-ranked bowler, New Zealand just a win away from leapfrogging Pakistan into fifth position.
Kane Williamson seized improbable 7-wicket victory against Bangladesh on the final day of the first test at the Basin Reserve on Monday.
New Zealand stormed back with three quick wickets to back up a century by Tom Latham in Wellington on Sunday.
The left-handed opener notched up his sixth Test century to pilot the hosts to 292 for 3, still behind by 303 runs.