Skipper Tim Paine believes Australia is climbing back towards the top of Test cricket after a third successive powerhouse victory at Perth Stadium on Sunday.
The home side went into the Perth Test ranked fifth on the International Cricket Council rankings, while New Zealand were second.
“We are getting there, but we can get better,” he said.
“We are still improving, but certainly over the last 18 months there has been drastic improvement in this cricket team.
“We’ve got some players back, which are helping, but we have also seen some real improvement in the guys who got a chance 18 months ago, and the experienced guys have come back and put a bit of icing on top.
“We are moving in the right direction and happy with the way we've played in the last three or four Tests.”
Paine said it was also pleasing to see other players stepping up, after Smith almost single-handedly retained the Ashes for Australia with his batting heroics in his first series after suspension.
For the first time in his career Smith has gone three Tests without a half-century, but Paine actually views that as a positive.
“We touched on at the end of the Ashes,” he said.
“We needed other guys to stand up and can’t be reliant on Steve.
“Obviously Marnus (Labuschagne) has been unbelievably good, and Davey (Warner) and Joe Burns have been scoring runs.
“If we want to be one of the better teams in the world guys have got to stand up and we can't be reliant on too few.
“We are really happy with how our batting has developed.”"