🔍 Read the full analysis: What Links Jobs In The Field, Factory, And Office? on ThorstenMeyerAI.com
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TL;DR
Thorsten Meyer’s November 2, 2026 article opens a 60-episode series with the economic map of work: primary, secondary and tertiary sectors. Historical figures show a long shift from farming toward manufacturing and services, though the article’s proposed future “automation sector” is explicitly a thesis, not an established development.
Thorsten Meyer has launched a 60-episode series on how economies and work change, opening with an explanation of the three-sector model: field, factory and office. The first installment uses historical employment figures to trace the move from farming into manufacturing and services, while marking a possible future sector devoted to automation as Meyer’s thesis, not a confirmed forecast.
The model divides work into three broad categories. The primary sector takes resources from nature, including farming, fishing and forestry; mining is classified differently in some statistical systems. The secondary sector makes things, covering manufacturing, construction and energy. The tertiary sector provides services, from trade and transport to health care, education, government and office work.
Meyer’s article reports that farming employed 73.7% of the US labor force in 1800, based on estimates by economic historian Stanley Lebergott. The share fell to 12.0% in 1950. The article cites an International Labour Organization modelled estimate of 1.5% in 2025. It also says that, according to ILO modelled estimates, services have employed more people globally than farming since 2001.
The article’s other examples describe similar changes in Asia: China’s primary-sector employment share fell from 83.5% in 1952 to 22.2% in 2024, while Japan’s census recorded a decline from 53.8% in 1920 to 3.2% in 2020. Meyer also challenges the claim that the United States no longer makes goods: citing the figures in his article, he says US factory employment is about 35% below its June 1979 peak, while real manufacturing output in 2025 was about 1.9 times its 1979 level.
The Long Move Beyond Farming
The three-sector map gives readers a way to understand a major change in where people work: employment has shifted away from agriculture as technology and economic growth have altered production. The change does not mean food production stopped or workers vanished. It means a much smaller share of workers can produce food, while more people earn their living in industry and services.
The distinction also helps frame current debates about technology and jobs. Meyer points to economist Jean Fourastié’s argument that services could absorb workers made redundant by machines in industry. That is a historical argument, not proof that every future displacement will be offset. The series says it will examine whether the same pattern holds as automation expands, a question with direct relevance to workers, employers and policymakers.
Sector labels are useful but imperfect. A software engineer employed by a car manufacturer might be counted under manufacturing in one statistical system and services in another. The categories describe broad employment patterns; they do not always capture the exact work an individual does. Readers should also keep the measures distinct: a falling share of jobs in a sector does not, by itself, show that its output has fallen.
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How Economists Built the Three Sectors
The terminology emerged during the early 20th century. Meyer’s account says Allan G. B. Fisher, a New Zealand economist, added “tertiary” to the existing primary and secondary categories in work written in 1934 and published in 1935. Fisher later described employment moving from primary activities into secondary production and, to a still greater extent, services.
Colin Clark compared employment patterns across countries in his 1940 book, putting numbers to the shift from agriculture to manufacturing and then to commerce and services. He also observed that industrial employment’s share could rise and later fall. In 1949, French economist Jean Fourastié argued that services would take in workers released as productivity improved in other sectors. These were influential interpretations of economic change, not guarantees about the course of every country or future technology.
The opening article is the first installment of Meyer’s series, titled Work After Work. It describes a daily sequence of 60 episodes about how economies are built, how work has moved between sectors, and which tasks may remain human as machines take on more work.
“The three boxes are blunt. But blunt is useful.”
— Thorsten Meyer, in the November 2, 2026 article
What the Sector Figures Cannot Show
The figures in the article come from different sources, periods and methods: Lebergott’s historical estimates, national census data and ILO modelled estimates. They are not one uniform series, and classifications can vary—for example, mining may be counted as primary or secondary work. Comparisons across countries or decades should be read with those differences in mind.
Meyer’s proposed automation sector is explicitly a thesis. He suggests automation could, within a decade or a few decades, do up to 90% of work without a human hand, but the opening article does not establish how that figure is defined, how it would be measured, or what evidence supports its timing. It says a later episode will examine the thesis. The article also does not settle how many displaced workers future industries or services could employ.
The Series Turns to Automation
Meyer says the series will follow changes in work across its 60 daily episodes, moving from the three-sector model to subjects such as the tractor and the chatbot. The article identifies Episode 48 as the point where its automation-sector thesis will be put on trial. Until then, the opening installment supplies the historical framework rather than a new measurement of automation’s effect on employment.
Readers can expect the series to test how useful the old categories remain as machines take on more tasks. The key question is not only whether technology reduces work in one sector, but whether other kinds of employment grow to take its place—and how quickly that change happens.
Key Questions
What are the three sectors of the economy?
The primary sector takes resources from nature, the secondary sector makes goods and builds infrastructure, and the tertiary sector provides services.
What is the main development in Meyer’s article?
The November 2, 2026 installment launches a 60-episode series and introduces the three-sector model using historical employment figures.
When did services overtake farming worldwide in employment?
Meyer says ILO modelled estimates show services have employed more people globally than farming since 2001.
Does the article establish that automation will become a separate sector?
No. Meyer presents that idea as his thesis, including a suggestion that automation could do up to 90% of work within a decade or a few decades. The article does not establish that forecast as fact.
Does declining factory employment mean the United States makes less?
Not on the figures Meyer cites. He says US factory employment is about 35% below its June 1979 peak, while real manufacturing output in 2025 was about 1.9 times its 1979 level.
Source: ThorstenMeyerAI.com
