Agricultural Density: Definition, Formula and Country Data

Agricultural density is the number of farmers, or farm workers, for each unit of arable land. Using World Bank data for 2024-2025, the figure runs from about 0.7 workers per 100 hectares in Canada and 1.8 in the United States to about 420 in Bangladesh. The Census Bureau’s teaching guide gives the same definition and notes that Germany’s low reading may be due in part to mechanized farming.

This page shows how to calculate it, what a high or low number means, and country figures we worked out from three World Bank series. It also has a calculator for your own region or farm.

What agricultural density means

Agricultural density is a ratio: people who work in farming divided by the area of arable land. The Census Bureau’s classroom guide on population density sets it beside two other measures. Arithmetic density counts all residents per unit of land. Physiological density counts all residents per unit of arable land. Agricultural density counts only the farm workforce per unit of arable land.

A textbook from Oklahoma State University says a high reading suggests that farmland and farmers are reaching their limit in that region. A low reading means few workers manage a lot of land, which often goes with machinery and large farms.

Arable land is the divisor in both physiological and agricultural density, so a country can have a high physiological density and a low farm density. That happens when most people live in cities and a few feed them.

How to calculate agricultural density

The formula is simple: farm workers divided by hectares of arable land. One square kilometre is 100 hectares, so “workers per 100 hectares” is the same number as “workers per square kilometre”. To change it to acres, multiply hectares by 2.47.

1. Find the number of people working in agriculture. National statistics offices publish it, or you can multiply the share of employment in agriculture by the labour force.
2. Find the arable land area from the same year.
3. Divide workers by hectares and multiply by 100 to get workers per 100 hectares.

The calculator below does these steps. Its starting numbers are examples, so replace them with your own.

Try the numbers for your own farm below.

Agricultural density by country

We built the country figures from three World Bank series. The first is the share of total employment in agriculture, a modelled estimate from the International Labour Organization for 2025. The second is the total labour force for 2025. The third is arable land in hectares, from the Food and Agriculture Organization (FAO), for 2024.

We multiplied the first two to estimate the number of farm workers, then divided by arable land. Labour force includes people looking for work, so the worker counts are slightly high. Treat the results as rough guides, not official statistics. The two years differ by one, which is the latest each series offered.

Read the table as a spread, not a ranking. Sixteen countries is a sample, not every country.

High agricultural density: what it shows

Countries with a high reading, such as Bangladesh, Ethiopia and Egypt, have many workers on little cropland. Farms are small. The FAO reports that about 70 percent of farms worldwide are under one hectare and work about 7 percent of farmland (FAO, 2021). Small plots mean each worker has little land, and income per worker depends on yields and on non-farm jobs.

A high number alone does not prove poverty or over-use. Irrigated rice and vegetable systems can give several harvests a year on one hectare. Still, a large workforce on limited land leaves less room to lift income per worker without moving some people into other work.

Low agricultural density: what it shows

The United States, Canada and Australia have low readings. Few workers manage large areas, with machines and hired services doing much of the work. The USDA Economic Research Service reports that self-employed and family farm workers fell from 7.60 million in 1950 to 2.06 million in 2000, and hired farmworkers from 2.33 million to 1.13 million over the same period, according to the USDA farm labor page.

Low density has costs. Fewer farm families can mean fewer people in small rural towns, and it can raise the cost of finding workers at harvest. A low figure says little about profit or environmental effect on its own.

Chart

Farm workers per 100 hectares of arable land

Estimate, eight of 16 countries worked out; workers = employment share x labour force (2025), arable land 2024

Why the numbers change over time

The share of jobs in farming tends to fall as economies grow. Machines replace hand work, farms merge, and young people take jobs elsewhere. The chart below follows six countries from 2000 to 2025.

In Europe the same shift shows up in farm size. Eurostat reports that the average EU farm grew from about 11 ha in 2005 to about 18 ha in 2023, while the number of farms fell sharply, as set out in its farms and farmland statistics. The same page says 62.8 percent of EU farms were under 5 ha in 2023, a provisional figure. Many small farms and a few large ones sit side by side.

Chart

Share of jobs in agriculture, 2000 to 2025

Percent of total employment, ILO modelled estimate, selected countries

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Farm size and who holds the land

Density figures hide how land is shared. The FAO’s research on small family farms, summarised in its 2021 news release, found that five of every six farms in the world are under two hectares and work around 12 percent of farmland. The largest one percent, above 50 hectares, work more than 70 percent of it. FAO’s report on innovation in family farming adds that in low-income and lower-middle-income countries small farms hold large shares of farmland.

So two regions with the same average density can look very different on the ground. One may have many equal small plots. The other may have a few large estates and many landless workers. An average cannot tell you which.

Chart

Small farms are many but hold little land

Percent worldwide, selected size classes; the over 50 ha land share is plotted as 70, the source says more than 70

Limits of the measure

• Arable land only. Grazing land is not counted as arable, so ranching-heavy countries can look denser than they feel. New Zealand reads 32 workers per 100 ha here, far above Australia, which may be partly due to this.
• Workers are not hours. Part-time and seasonal workers count the same as full-time ones.
• Country averages hide regions. Irrigated valleys and dry rangeland sit in one national figure.
• Modelled data. The employment shares are modelled estimates, so small gaps between countries mean little.

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Examples of agricultural density

Worked examples make the ratio easier to read. Examples 1 to 3 use the table above, so the same limits apply; example 4 uses made-up local numbers.

Example 1: Egypt

The World Bank data give Egypt 3.3 million hectares of arable land in 2024 and about 6.3 million farm workers, from a 17.5 percent farm share of jobs. That is 193 workers per 100 hectares, or about half a hectare each. Cropland here is largely irrigated, which can allow several crops a year, but with this many workers per hectare it may be hard to raise income per worker.

Example 2: the United States

The United States has 151.6 million hectares of arable land and about 2.7 million farm workers by our estimate. That is 1.8 per 100 hectares, or about 57 hectares per worker. The difference from Egypt is more than a hundred times. The USDA figures above show the US farm workforce shrinking for decades.

Example 3: Brazil

Brazil sits between the two extremes at 15 workers per 100 hectares. Its farm share of jobs fell from 14.2 percent in 2000 to 7.6 percent in 2025 (World Bank). A national average like this hides large estates in some regions and small family plots in others.

Example 4: a single farm or district

You can use the same ratio below country level. A district with 1,200 farm workers on 3,000 hectares of cropland has 40 workers per 100 hectares. If a second district has 5 per 100 hectares, the first has about eight times as many people sharing each hectare. Local statistics offices, agricultural censuses and extension services usually publish the inputs.

What drives a change in agricultural density

Density moves when either the numerator or the denominator moves. Four common causes are listed here; the first two have data behind them.

• A smaller farm share of jobs. The share of employment in agriculture fell in all six countries charted above between 2000 and 2025, according to the World Bank series.
• Farm consolidation. In the EU the average farm grew from about 11 ha to about 18 ha between 2005 and 2023, while total farmland changed little (Eurostat).
• Land lost or gained. Cropland can be built over, left fallow or cleared. Satellite records are one way to track such changes at field level.
• Population growth. More people with the same cropland raises physiological density, and farm density rises if the extra people stay in farming.

A falling ratio is not always good news. If people leave because farming no longer pays, the land may be left idle. If they leave for better jobs and farms use the freed land well, output per worker can rise.

How to use agricultural density in planning

Planners, lenders and researchers use the ratio as a first screen, not a verdict. The questions below show how to read it.

1. Compare like with like. Use the same year and the same definition of farm worker for every place.
2. Add a second measure. Pair density with farm size, yield per hectare and income per worker.
3. Check the land type. Ask how much of the farmland is cropland and how much is grazing.
4. Look at the trend. A five-year change says more than a single year.
5. Visit or sample. Surveys on the ground show what the national figure hides.

For land purchases, loans or public programmes, use official statistics for the place in question and get professional advice. The figures on this page are estimates for learning.

Agricultural density compared with other farm labour measures

Hectares per worker is simply the reverse of the density figure. Egypt’s 193 workers per 100 hectares equals about 0.5 hectares per worker, and the United States’ 1.8 equals about 57 hectares per worker. Many readers find the second form easier to picture.

Regional patterns in the data

Our 16-country table shows three loose groups. The numbers are from the World Bank series above.

• Above 100 workers per 100 hectares: Bangladesh, Ethiopia, Egypt, Uganda, China and Malawi. In Ethiopia, Uganda and Malawi, 60 to 65 percent of all jobs are in farming.
• Between 10 and 40: Mexico, New Zealand, Brazil and South Africa.
• Below 5: the United Kingdom, France, Germany, the United States, Australia and Canada, where farming provides between 0.9 and 2.3 percent of jobs.

The groups are our own reading of this sample. Other countries may fall elsewhere, and we did not work them out.

Farm labour and technology

Where density is falling, farms often turn to machinery and data. The USDA reports average hourly wages for non-supervisory hired farm jobs ranged from $17.23 (farmworkers) to $19.07 (equipment operators) in 2024 (USDA ERS, 2024), which gives farms a reason to look for ways to save labour. Farmers also use satellite images to check crop condition across large areas with fewer scouting trips. Farmonaut’s Satellite + AI Farm Monitoring System is one such tool.

Satellite images show change in plant cover, not the cause of the change. A field visit is still needed to tell water stress from disease or nutrient shortage.

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FAQ

What is agricultural density in simple terms?

It is the number of farm workers for each unit of arable land, such as hectares or square kilometres.

What does a high agricultural density mean?

Many farmers share limited cropland. Farms are usually small. In our table Bangladesh, Ethiopia and Egypt are above 190 workers per 100 hectares.

What does a low agricultural density mean?

Few workers farm a lot of land, usually with machinery. In our table the United States reads 1.8, Australia 1.1 and Canada 0.7 workers per 100 hectares.

Which countries have low agricultural density?

Among the 16 countries we worked out, Canada, Australia and the United States have the lowest readings, followed by Germany, France and the United Kingdom. Other countries were not checked.

How is it different from physiological density?

Physiological density counts every resident per unit of arable land. Agricultural density counts only people who work in farming.

Can I use these figures for planning?

Use them as a guide only. They are estimates built from modelled data. For investment, lending or policy decisions, use your national statistics office and get professional advice.

Related pages on our site: farmland investment guide, farm management, carbon footprints, farm machinery, traceability, crop loans and insurance, satellite data for developers, weather data for developers, historical satellite data and farm apps.