Jones took over from Stuart Lancaster after a disastrous 2015 World Cup campaign that saw England become the first host nation to be eliminated at the pool stage.

But Jones has now guided his side to 13 consecutive victories since taking charge, completing an unbeaten year with a 37-21 victory over Australia at Twickenham.

Youngs, who scored England's third try in a fourth victory over the Wallabies in 2016, says he immediately bought into Jones's vision.

"From the moment we rocked up in February and had the first meeting under Eddie, I did think that this is the guy that can get the best out of this side and he's proven to do so," Youngs said. "Guzzy [Paul Gustard] and Steve Borthwick came in [as coaches] and it was exciting times. 

"He's made us believe in that and that's given us confidence in the way that we're going about our day-to-day training and the performances have probably shown that.

"He just instils confidence. We train at such a high level that it's almost above match level. If you train like that at ease then the Test matches should become easier."

England got off to a difficult start against Australia and had to withstand sustained pressure for the opening 20 minutes but ultimately outscored its  opponent by four tries to two.

"Winning also encourages our confidence," Youngs said. "If you're winning, you're naturally going to be more confident every time you take the field.

"So on the back of winning, this side has grown and it's become confident in its ability to perform in different circumstances.

"Last week [against Argentina] we had a man sent off, this week we were under the cosh for the first 20 minutes without a foothold in the game, no possession and we were about 80 metres from their line for the majority of the first 20 to 30 minutes.

"This side keeps adapting and having ways to come out of it and that's credit to the work that's done during the week."

Jones has repeatedly indicated he has his eyes trained on the 2019 World Cup final and Youngs refuted any suggestion England had peaked too soon.

"If we're peaking like this at this stage, what's it going to be like in two years' time? I think it's very exciting," he added.