The Paris-based organization has about 7,000 members in this country and about 50,000 worldwide.
In June the Paris-based organization revised its estimate to 2.5 percent.
That figure is down from the forecast of a 2.5 percent American growth rate in 1992 that the Paris-based organization made just one month ago.
That was the biggest revision downward of any of the 24 nations of the Paris-based organization.
In a report released today, the 25-nation Paris-based organization also said West Germany's trade surplus was declining too slowly.
The Paris-based organisation comprises more than 8,000 individual and institutional members and twenty-four international committees.
In its semiannual economic outlook, the Paris-based organization reserved its strongest criticism for West Germany, which has a large trade surplus.
The group that met here today has the same membership as the Paris-based Organization for Economic Cooperation and Development, but is not formally affiliated with it.
The O.E.C.D. is a Paris-based organization that industrial democracies formed in 1960 to foster economic growth and cooperation.
The Paris-based Organization for Economic Cooperation and Development predicts growth of 0.5 percent for Japan in 1994.