July's $7.18 billion surplus exceeded both the $6.94 billion of a year earlier and the $5.93 billion in June.
To allay such fears, he noted that trustees of the system predict that the surplus in the Social Security Trust Fund will exceed the national debt by the year 2030.
The projected surplus of 1.8% of GDP, or $21.7 billion, exceeded the 1.5% target set by the government in January.
The current surplus in the trust fund exceeds $10 billion and is growing each year.
Based on a staff analysis by the City Council's Finance Committee, he estimated that the transit agency's surplus would exceed Governor Pataki's forecast by at least $100 million.
Because Regional Service Offices can purchase in bulk and sell at list price sometimes this surplus exceeds the running costs of the office.
When the surplus exceeds the amount of old Treasury notes and bonds maturing, the government has no need to raise more cash to operate.
Despite voicing criticism of the authority's spending plans, he said its financial outlook had improved in the short term and its 2005 surplus could exceed $925 million.
Bonn's surplus last exceeded Japan's in 1976, when a huge increase in oil prices caused the cost of Japan's imports to surge.
He would not be more specific, but many private economists have predicted that the surplus would exceed $40 billion, if current economic conditions hold until fall.