Between 2010 and 2020, the United States is expected to add nearly 20 million new jobs. That represents a 14.3% increase in labor. A good part of that change has to do with population growth, as well as the growth of several sectors. Certain medical and personal care jobs will grow by 50% or more as the baby boomer population ages and their needs increase. Other occupations, however, will decline considerably.

This story was originally published by 24/7 Wall St.

Changes in population and technology also will lead to certain jobs shrinking dramatically or even becoming obsolete — if they are not already. Using Bureau of Labor Statistics (BLS) information on thousands of separate occupations, 24/7 Wall St. identified 10 job categories that will shrink by at least 14%, and in some cases by much more than that. These are America’s 10 disappearing jobs.

No single occupation category is projected to lose more jobs than postal service workers. The evolution and increasing use of digital communication has taken a toll on delivered mail. As a result, the government has implemented planned cuts to the number of postal employees. As of 2010, there were approximately 524,000 USPS positions in the country. By 2020, the BLS expects that number will decline by nearly 140,000, or 28%.

There will be more severe declines within certain postal occupations. Postal Service mail sorters, processors and processing machine operators increasingly are being replaced by more efficient mail sorting machines, and their numbers are projected to decline by more than 50% by 2020.

A review of the remaining categories is a who’s who of job sectors that are increasingly becoming obsolete. Two of the 10 positions are in the declining print business. Three are in the textile repair or manufacturing industry, which continues to move jobs overseas.

24/7 Wall St. looked at data from the Bureau of Labor Statistics Occupational Employment Matrix on the projected growth or decline of more than 800 different occupations between 2010 and 2020. To avoid insignificant percentage changes, we excluded all jobs that had less than 10,000 positions as of 2010. We ranked all remaining positions by the projected decline of jobs by 2020 as a percentage of 2010 employment. For positions that were too similar, or fell into the same category, we included the broadest category. For example, postal service workers is a job category that includes several categories, many of which are expected to decline a great deal. In this case, we discussed postal service workers as a whole, mentioning occupations within the category that will lose the most jobs.

These are America’s disappearing jobs.

10. Petroleum Pump System Operators, Refinery Operators and Gaugers
> Pct. decrease: -14%
> 2010 jobs: 44,200
> Total job loss (2010-2020): -6,200
> Median annual wage: $60,040


Petroleum pump systems operators control and operate the machinery and systems used in the processing and refining of petroleum. Over the next decade, the number of operators is expected to decline by 14% to only 38,000 by 2020. By contrast, the number of petroleum engineers, who design methods for extracting oil and gas, is expected to rise by 17% as new, complex extraction methods become more common. These jobs, however, typically require a bachelor’s degree, above what is usually required for operators.

9. Desktop Publishers
> Pct. decrease: -14.7%
> 2010 jobs: 22,600
> Total job loss (2010-2020): -3,300
> Median annual wage: $36,610

Desktop publishers work for the publishing or printing industry using computer programs to design layouts for online or print media. The outlook for this job is bleak because of the flailing print industry and the ease with which other workers can assume some of the functions of this position. Typically requiring an associate’s degree, the median income for desktop publishers is slightly above the national median income of $33,840. Desktop publishers who have skills in HTML have a much brighter job outlook. These individuals are considered web developers, a position that is expected to increase by 21.7% between 2010 to 2020.

Read: The Best Job Opportunities of the Future

8. Prepress Technicians and Workers
> Pct. decrease: -15.9%
> 2010 jobs: 50,800
> Total job loss (2010-2020): -8,100
> Median annual wage: $36,280

Prepress technicians and workers prepare printings by taking texts and images and using them to create printing plates, which are then used by printing presses. The number of such jobs is expected to decline by 15.9% to 42,800 by 2020, as printing processes increasingly rely on computer software. Job losses are expected to be smaller for other printing professions that are less susceptible to newer technology. The number of press operators is expected to decline only by 1.5% by 2020, while the number of binding and finishing workers is expected to decline by 3.1%. Still, these professions are paid significantly less than prepress technicians: the median annual salary was $33,680 for press operators and just $28,920 for binders and finishers.

7. Coil Winders, Tapers and Finishers
> Pct. decrease: -15.9%
> 2010 jobs: 15,100
> Total job loss (2010-2020): -2,400
> Median annual wage: $28,650

Coil winders, tapers and finishers are considered a category of assemblers and fabricators by the BLS. They work in manufacturing plants where they assemble any range of products and specifically wind coils for mechanical or electrical parts. But while the broader category of work is expected to have a 5.4% increase in the number of jobs over this decade, coil winders, tapers and finishers are expected to have a decrease of almost 16%. Most of these job losses are the result of outsourcing to overseas labor. Generally, workers are expected to have a high school degree or its equivalent, and they earn less than the national median income.

6. Textile Machine Setters, Operators and Tenders
> Pct. decrease: -16.2%
> 2010 jobs: 80,300
> Total job loss (2010-2020): -13,000
> Median annual wage: $25,010

All types of textile machine setting, operating and tending professions are expected have substantial job declines between 2010 and 2020. The BLS projects especially severe job losses for cutting machine workers, with the total number of jobs projected to decline by 21.8% by 2020. The number of knitting and weaving machine workers is forecast to decline by 18.2% over the decade. Overall, the total number of textile machine workers is expected to decline by 13,000, with all four types of workers expected to lose between 2,100 and 4,100 jobs. Though the median annual wage for machine workers is just $25,010, well below the national median wage of $33,840 for all occupations, it is still well-above the equivalent figure of $21,480 for all textile, apparel and furnishing workers.

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