Principal vs TIAA 401(k) Comparison

Compare Principal Financial (#6, 8.3/10) and TIAA (#9, 7.9/10) side by side across fees, ratings, features, and investment options.

Overall Comparison

FeaturePrincipalTIAA
Overall Score8.3/107.9/10
Rank#6#9
AUM$700 billion$1.3 trillion
Participants6 million5 million
Plan Sponsors46,000+15,000+
Founded18791918

Ratings Comparison

CategoryPrincipalTIAA
Fees & Costs3.5/54.0/5
Investment Options3.8/54.0/5
Customer Service4.2/54.3/5
Mobile App3.9/53.9/5

Fee Comparison

Fee TypePrincipalTIAA
Admin Fees$1,500 - $5,000/year for small plansVaries by institution
Expense Ratios0.25% - 1.5%0.05% - 1.0%
Trading FeesVaries$0 for TIAA funds
Advisory Fees0.40% - 1.0%0.30% - 1.0%

Principal Strengths

TIAA Strengths

Which Should You Choose?

Choose Principal if you want:

  • Small businesses
  • Bundled benefit seekers
  • Companies wanting insurance integration

Choose TIAA if you want:

  • Educators
  • Nonprofits
  • Healthcare workers
  • Income-focused retirees

Our Verdict: Principal vs TIAA

Principal Financial wins this comparison with a score of 8.3/10 vs 7.9/10. Principal excels with excellent for small business 401(k) plans, making it the stronger choice for most investors in this matchup. However, the best choice ultimately depends on your specific needs, employer plan availability, and investment preferences.

Full Principal Review Full TIAA Review

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Principal vs TIAA: Complete 401(k) Comparison for 2026

Choosing between Principal Financial and TIAA for your 401(k) is an important decision that affects your retirement savings. Principal offers small business focus while TIAA is known for education focus. In terms of fees, Principal charges 0.25% - 1.5% expense ratios compared to TIAA's 0.05% - 1.0%. Principal manages $700 billion in assets and serves 6 million participants, while TIAA has $1.3 trillion AUM and 5 million participants.

Key Differences: Principal vs TIAA

When comparing Principal and TIAA, consider their core strengths: Principal excels with excellent for small business 401(k) plans, while TIAA stands out for dominant in education sector. Both providers offer comprehensive investment options including target-date funds, index funds, and managed accounts. Principal's customer service rating is 4.2/5 compared to TIAA's 4.3/5. For mobile experience, Principal scores 3.9/5 while TIAA scores 3.9/5.

Which Provider is Right for You?

Choose Principal if you prioritize small businesses. Choose TIAA if you're looking for educators. Your decision should also consider your employer's plan availability, fee sensitivity, desired investment options, and customer service expectations. For detailed reviews, visit our individual Principal and TIAA provider pages.