There is a similar but slightly more pronounced levelling off in the rate of improvement in AMI from 2000 onward for the developing group. The most populous nation not to record an improvement in AMI was Viet Nam, which saw AMI increase by 3.1% p.a. If we compare Rgure 80 to its conventional Ml counterpart in Section 4.1 Material intensity of the economy, 16 of 21 countries show a reduction in AMI compared to Ml for 2010, including all of the most populous nations, and the group average AMI for 2010 is 13% lower than Ml for the same year.