Mr Mugabe said, during a panel discussion on fragile states at the World Economic Forum on Africa in South Africa's costal city of Durban.
Zimbabwean President Robert Mugabe has said his country is "most highly developed country in Africa" after South Africa.
"Our leaders say we are rich, they say we are developed, they say we have resources but the people do not see that, " she said.
"We have more resources, perhaps more than the average country in the world".
Twitter responded to his remarks in customary Twitter style: memes.
"I can call America fragile, they went on their knees to China", he added. "To continue driving him beyond his physical and mental possibilities will make us even more of a caricature country and is not good for investment", said Shumba.
"We are not too sure whether..." Fragile states are also said to suffer from a natural resource curse, and this is something Mugabe boasted about.
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A small group of Zimbabweans gathered near the venue of the WEF on Thursday, protesting against Mugabe's presence at the conference.
"Mugabe needs to travel to other countries and see why Zimbabwe is a fragile State".
Newsweek caught one other comment from Mugabe that is bound to cause some controversy: He thanked God that at least Zimbabwe doesn't have to deal with Islam.
"I went into Nigeria three weeks ago to this region of the North East where Boko Haram has raised havoc since 2009 and now 47 000 people are living in starvation conditions even though it has not been declared and five million are on the brink of starvation".
"I don't think of us as a fragile state from an economic point of view". Reports by the statistical service show that 48 percent of the population is educated with over 40 percent of graduates unemployed or under-employed.
"And Mugabe is responsible for this and he has to accept it", he said.