What it means
The dividing line is ownership and funding, not activity. A hospital, a school or a rail operator can sit in either sector depending on who owns the assets and where the money comes from, which is why the boundary moves whenever governments privatise or nationalise.
A third grouping sits alongside both. Charities, mutuals, cooperatives and social enterprises are privately owned but not run primarily to distribute profit, and statistics sometimes fold them into the private sector and sometimes report them separately as the third or voluntary sector.
For a business audience, the term matters most in sales and planning. Private sector customers buy on commercial terms and can decide quickly, whereas public sector buyers run formal tenders, publish evaluation criteria and pay against fixed frameworks, so the two require different bidding approaches.
Economists watch the private sector's share of output and employment as a measure of how an economy is structured. A rising share generally signals commercial expansion, while a sharp fall can indicate either state intervention or a downturn that has hit business employment hardest.
Public-private partnerships blur things deliberately. Under these arrangements a private company builds and operates an asset such as a road or a hospital while the state pays for its availability over decades, so the risk and the revenue end up sitting in different sectors.
In practice
Real-world examples
Example 1
A facilities management company bids for two contracts in the same week: one to clean a private office park and one to clean a group of state schools. The private bid is agreed over two meetings, while the public one requires a formal tender, a scored quality submission and a standstill period before award.
Example 2
An economic development agency reports that private sector employment in its region grew by 18,000 jobs while public sector employment fell by 4,000, a net gain of 14,000. The agency uses the split to argue that its business grant scheme is working.
Example 3
A national government sells its remaining stake in a telecoms operator. The company's 26,000 employees move from the public sector to the private sector overnight, with no change in what they do, only in who owns the shares and who bears any losses.
Think of it
Think of the private sector as a collection of shops in a marketplace, each owned by different individuals. They compete to attract customers by offering the best products, prices, and services, aiming to make a profit.
Formula
Calculation
Private sector share of employment = private sector jobs / total jobs.
Take an illustrative regional economy with 2,400,000 people in work. Of those, 480,000 are employed by government bodies: councils, state schools, public hospitals and the civil service. Private sector employment is therefore 2,400,000 - 480,000 = 1,920,000, and the private sector share is 1,920,000 / 2,400,000 = 80%, leaving a public sector share of 480,000 / 2,400,000 = 20%. If the region then transfers a state-owned bus operator employing 24,000 people into private ownership, private employment rises to 1,920,000 + 24,000 = 1,944,000, or 1,944,000 / 2,400,000 = 81%, with no new jobs created at all.Case study
Seen in the real world
Thornway Bus Group is an illustrative, fictional transport operator that spent thirty years as a council-owned department before being sold to private investors. Its 24,000 daily passengers noticed almost nothing on the day of transfer, but its finance function changed almost everything.
As a public sector body it had run on an annual grant, measured success by route coverage, and carried no explicit cost of capital. In the private sector it had shareholders expecting a return, banks charging interest on a $40,000,000 acquisition loan, and a board that closed four loss-making rural routes in the first year. Two of those routes were promptly reinstated under a subsidised contract with the same council, which is a neat illustration of how public and private provision end up interwoven rather than separate.
The example is fictional, but it shows why the sector label matters commercially. Ownership determines who supplies the capital, who absorbs the loss and which set of incentives ultimately decides whether a route survives.
Watch out
Common mistakes
- Assuming private sector simply means large companies. Sole traders, partnerships and family firms are all private sector, and together they employ a large share of the workforce.
- Treating charities as public sector because they are not profit driven. Charities are privately controlled and are usually counted outside government entirely.
- Using the same sales approach for public and private buyers. Public bodies must follow published procurement rules, so relationship selling alone will not win the work.
Questions
People also ask
What is the difference between the private sector and the public sector?
Ownership and funding: private sector organisations are owned by individuals or companies and funded commercially, while public sector bodies are government owned and largely tax funded.
Where do state-owned commercial companies sit?
They are normally classed as public sector because the government owns them, even when they compete commercially and fund themselves from sales.
Why do economists track the private sector share of employment?
It indicates how much of an economy depends on commercial activity rather than government spending, which matters for tax revenue and for how a downturn will be felt.