Under President Obama, government will spend more on welfare in a single year than President George W. Bush spent on the war in Iraq during his entire presidency. According to the Congressional Research Service, the cost of the Iraq war through the end of the Bush Administration was around $622 billion.n average, welfare spending amounts to around $7,000 per year for each individual who is poor or who has an income below 200 percent of the poverty level. This comes to $28,000 per year for each lower-income family of four.