As the world's population continues to grow, businesses will face a number of challenges when it comes to finding labor. Here are a few reasons why labor may be harder to find in the future:

1. Aging population: As the population ages, there will be fewer working-age people to fill jobs. This will lead to a smaller pool of potential employees and increased competition for available talent.

2. Automation and technology: Automation and technology are making many jobs obsolete and replacing them with more specialized and complicated roles to run the automation. This trend is likely to continue in the future. As a result, businesses will have to compete for a smaller pool of qualified candidates with specialized skills.

3. Globalization: The increasing interconnectedness of the global economy means that businesses are facing more competition for labor from other countries. This makes it harder to find and retain top talent.

4. Changing workforce demographics: The workforce is becoming more diverse, with different generations, cultures and backgrounds. This requires different recruitment and retention strategies to attract and retain employees.

5. Skilled labor shortage: There is a growing shortage of skilled labor in certain fields, such as healthcare, technology, and engineering. This makes it harder to find qualified candidates with the necessary skills to fill these roles.

6. Remote working: With the rise of remote working, businesses may find it harder to attract and retain employees in certain locations. Remote working has caused a decrease in the availability of workers in certain areas, as they can work from anywhere.

7. Cost of living: The cost of living in certain areas is becoming increasingly unaffordable, making it harder for businesses to attract and retain employees in those locations.

In conclusion, labor will be harder to find in the future due to a combination of factors such as an aging population, automation and technology, globalization, changing workforce demographics, skilled labor shortage, remote working, and cost of living. Businesses will need to adapt and come up with new strategies to attract and retain top talent in the future. This may include offering more competitive compensation and benefits, creating a positive company culture, and investing in training and development programs to upskill employees.