Nato has said its biggest mistake in
A spokesman for the Nato-led force, said efforts were under way to reduce civilian deaths in military operations.
But he said Nato had killed far fewer people last year than the Taleban, who launched more than 100 suicide attacks.
President Hamid Karzai cried last month as he spoke of his inability to stop militant attacks and coalition forces "killing our children".
He has come under growing pressure over civilian deaths as violence has raged across the south and east.
Bloodshed in
'Wrong'
Nato forces in
In one incident in
Speaking in the Afghan capital,
"I believe the single thing that we have done wrong and we are striving extremely hard to improve on is killing innocent civilians," he said.
But he also said the Taleban's mistake was to take its fight to Nato forces.
"I would suggest it was a year of two halves. In the first half the Taleban believed their own rhetoric and believed that Nato responsible for security across the whole country would not fight.
"So they took us on in a place of their choosing, in a hard fight - and they lost."
In December, President Karzai made impassioned pleas for foreign forces to be more careful. He met Nato commanders in
The head of Nato troops in
Border row
About 4,000 people are believed to have died in attacks by the Taleban and their allies and in raids by Nato-led troops - about a quarter of them civilians.
Until winter set in suicide attacks and roadside bombings, particularly in the south and east, were an almost daily occurrence.
Relations between
At the end of December, Mr Karzai sharply criticised Pakistani plans to build a fence and plant landmines along parts of the common border.
Pakistani Prime Minister Shaukat Aziz is due for talks in
Photo caption
Nato troops in