Mouwaffaq al-Rubaie also accused the UN of shying away from its responsibility towards the Iraqi people.
The UN secretary general, who leaves office after 10 years on 31 December, told the BBC that the situation in
He also expressed his sadness at being unable to prevent the invasion in 2003.
Mr Annan told the BBC's Lyse Doucet that the current situation in
"If I were an average Iraqi, obviously I would make the same comparison, that they had a dictator who was brutal but they had their streets, they could go out, their kids could go to school and come back home without a mother or father worrying: 'Am I going to see my child again?'
"The society needs security and a secure environment for it to get on. Without security, not much can be done - not recovery or reconstruction."
Mr Rubaie rejected Mr Annan's comments, asking: "Doesn't Kofi Annan differentiate between the mass killing of Iraqis by the security and intelligence apparatus of Saddam Hussein and the present indiscriminate killings of civilians, Iraqi civilians, by the al-Qaeda terrorists in
He added: "I'm shocked and stunned by what Kofi Annan alluded to, that the condition was better under the dictatorship of Saddam Hussein."
Asked whether the situation in
"A few years ago, when we had the strife in
"We have a very worrisome situation in the broader Middle East," Mr Annan said, linking the ongoing conflicts in
He admitted that the failure to prevent the US-led invasion of
"It's healing but we are not there yet, it hasn't healed yet, and we feel the tension still in this organization as a result of that."
Referring to the invasion, Mr Rubaie said: "The UN, I believe, shied away from the responsibilities towards the Iraqi people in 2003."
Mr Annan, a Ghanaian who joined the UN in 1962, became the first secretary-general from sub-Saharan
The years before his appointment were marred by the genocide in
Although the UN vowed "never again" in the aftermath of the Rwandan genocide and killings at Srebrenica, the organization has been unable to end a three-year crisis in
"It is deeply, deeply disappointing and it's tragic," said Mr Annan. "But we do not have the resources or the will to confront the situation."
He pledged to work towards a solution in Darfur, which
Mr Annan also urged his successor, Ban Ki-moon, to follow his own path.
Mr Ban, a South Korean diplomat, will pick up the reins at the UN's
"He should do it his way. I did it my way, my predecessors did it their way and he should do it his way," Mr Annan said.
Photo Caption
Mouwaffaq al-Rubaie,