Isn't guard labor in the US either decreasing or staying flat?

I mean, the entire reason Allied Universal exists is because security (and therefore "guard labor") IS NOT a growth industry. A stable or declining industry inevitably leads to consolidation of the type that formed Allied Universal.

US active-duty military personnel:

2023: 1,268,027 (378 per 100k)

2003: 1,434,377 (492 per 100k)

1983: 2,123,349 (921 per 100k)

https://historyinpieces.com/research/us-military-personnel-1...

https://usafacts.org/state-of-the-union/defense/

Employed full time: Wage and salary workers: Bailiffs, correctional officers, and jailers occupations: 16 years and over:

2023: 365,000 (109 per 100k)

2000: 395,000 (139 per 100k)

https://fred.stlouisfed.org/series/LEU0254491500A

Employed full time: Wage and salary workers: Police and sheriff's patrol officers occupations: 16 years and over

2023: 686,000 (205 per 100k)

2000: 567,000 (201 per 100k)

https://fred.stlouisfed.org/series/LEU0254491900A

Population

2023: 339,996,563

2003: 291,109,820

2000: 282,398,554

1983: 230,389,964

https://www.macrotrends.net/global-metrics/countries/USA/uni...

edit: Found it! Employed full time: Wage and salary workers: Security guards and gaming surveillance officers occupations: 16 years and over

2023: 730,000 (218 per 100k)

2000: 621,000 (219 per 100k)

https://fred.stlouisfed.org/series/LEU0254492300A