Lampard captained the side as they laboured to a 0-0 draw with Costa Rica in their final group game – a dead rubber following defeats to Italy and Uruguay.
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And, despite the scoreline, Lampard believes the youth in the squad will only improve.
“The manager will want to bring those young players through,” he said. “It’s been important for them to get their chance at a World Cup.
“I have been impressed with their attitude – all of them. There are no big-heads; there’s no kids coming in and thinking they can stroll around. Not at all.
“They’ve all tried to do the right thing and even though we haven’t improved, individually everyone has applied themselves very well.”
Lampard also praised the England fans who made the trip to Brazil, claiming their support shows the Three Lions are “building something.”
“It was absolutely amazing,” he said of the support. “It made me proud to be an Englishman playing for my country. From leaving the hotel this morning until before and after the game, they were incredible. They were immense.
“It was a bad experience, but I think the fans sticking with us today is because they see signs that we are building something.”
Reports have suggested the 36-year-old will call time on his England career in the coming weeks and Lampard dropped a hint that he has made a decision on his international future.
“I’ve kind of made my mind up,” he added, “but I'm not going to talk about that until I get back [to England].”