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plumber vs welder (2026)

Industrial vs service trades — a complete comparison · Updated February 2026 · BLS salary data

Both plumber and welder are solid career choices — but they're different in important ways. Here's a complete head-to-head comparison on salary, job growth, AI risk, and how hard each is to get into.

$59,000 plumber median
$47,000 welder median
76 vs 68 AI survival score
+9% vs +3% BLS job growth

head-to-head comparison

category plumber welder winner
National median salary $59,000 $47,000 plumber
BLS job growth (2032) +9% +3% plumber
AI survival score 76/100 68/100 plumber
Time to journeyman 4–5 years 1–3 years welder (faster)
Top earner ceiling $106,200+ $84,600+

plumber: pros and cons

pros
  • Second-highest median after electrician
  • High demand: aging infrastructure, residential boom
  • Service plumbing offers steady business income
  • Union (UA) wages are very competitive
— cons
  • Physically demanding — confined spaces, heavy lifting
  • Must handle sewage and water systems
  • Licensing requires rigorous state exam
  • Slower growth than electrician or HVAC

welder: pros and cons

pros
  • Fastest path to employment (1–3 years)
  • High-pay specializations (pipeline, underwater, aerospace)
  • No state license required in most states
  • Globally transferable skills
— cons
  • Lowest base median of the five trades
  • Higher AI risk score (68/100)
  • Repetitive work in some sectors
  • Health risks: fumes, UV radiation (mitigated with gear)

Bottom line: If salary is your top priority, Plumber wins at $59,000 vs $47,000. If you want the fastest path to employment, Welder gets you licensed in 1–3 years. If AI-proofing is your concern, Plumber scores higher (76/100).

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frequently asked questions

Plumber vs Welder: which pays more?

Plumber has a higher national median salary at $59,000/year versus $47,000/year. However, specialization and location matter more than the trade itself — top earners in both can exceed $100,000.

Which is easier to get into, plumber or welder?

Welder has a faster path to licensure — typically 1–3 years. Both require either a union apprenticeship or accredited trade school plus on-the-job hours.

Which has better job security?

Both are highly secure. Plumber has a higher AI survival score (76/100) — meaning it's harder to automate. Plumber has stronger projected job growth (+9% through 2032 per BLS).

Can you switch from plumber to welder mid-career?

Yes — many tradespeople cross-train. Some skills transfer (tools, safety, code knowledge), but you'd typically need to complete the new trade's apprenticeship requirements and pass a separate licensing exam.

earn while you learn
skip the student debt — get paid from day one
registered apprenticeships pay $18–32/hr while you train. explore programs for both trades.
plumber apprenticeships → welder apprenticeships →

related guides

plumber salary — full 2026 guide welder salary — full 2026 guide full plumber career analysis full welder career analysis browse apprenticeship programs — 26 trades →

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