Here’s a look at some of the impacts across the nation so far:
• Private sector jobs. Some companies that provide services or goods to the federal government are having to furlough workers as long as the shutdown lasts. One of the biggest examples is Lockheed Martin. The aerospace company says that is has “approximately 2,400 employees unable to work because the civil government facility where they perform their work is closed, or we’ve received a stop-work order on their [defense] or civil government program.”
Although many of the affected private sector employees are in the D.C. metro area, it’s a nationwide phenomenon. The Lockheed Martin furloughs affect workers in 27 states, for example.
• Private business sales. The shutdown has affected business, notably ones tied to tourism at national parks or the nation’s capital. On the national seashores along North Carolina's Outer Banks islands, business owners compared the financial magnitude of closed beaches and waterways to that of a hurricane-forced evacuation.
Scott Geib, who sells photographs near the closed Cape Hatteras lighthouse, said sales were way down last week from what would normally be a good week for him in early fall.
• Activities on federal lands. In some cases this affects people’s livelihood. Alaska Sen. Lisa Murkowski said in a recent hearing that hunters are barred from federal lands, placing their year's supply of game meat in jeopardy.
"This is hunting season. This is when Alaskans are filling their freezers for winter," she said Tuesday.
• The environment. At the Environmental Protection Agency, the shutdown means the agency can no longer certify whether vehicles meet emissions standards, delaying some new models from reaching car lots. New pesticides and industrial chemicals are also in limbo because the EPA has halted reviews of their health and environmental effects. And the nation's environmental police are no longer checking to see if polluters are complying with agreements to reduce their pollution.