U.S. mutual fund assets reached 20.1 trillion dollars by the end of 2023. Equity funds held 12.8 trillion dollars of that total while their average expense ratio fell to 0.44 percent. Large cap equity funds posted an average annualized return of 11.2 percent over the preceding ten years.
Key Takeaways
- As of December 31, 2023, total U.S. mutual fund assets stood at $20.1 trillion, up 12.4% from the previous year
- Equity mutual funds held $12.8 trillion in assets as of Q4 2023, accounting for 63.7% of total mutual fund assets
- Bond mutual funds managed $5.2 trillion in assets by end-2023, comprising 25.9% of the industry total
- The average annual expense ratio for equity mutual funds fell to 0.44% in 2023 from 0.52% in 2022
- Bond mutual fund average expense ratio was 0.48% at end-2023, down 4% YoY
- Index equity mutual funds had average expense ratio of 0.05% in 2023
- U.S. households owning mutual funds numbered 59.1 million in 2023
- Mutual funds held by 45% of U.S. families with investments in 2022 ICI survey
- Average mutual fund account balance was $145,200 per household in 2023
- The average 10-year annualized return for U.S. large-cap equity mutual funds was 11.2% as of March 2024: June 2026
- Over 5 years ending Q1 2024, mid-cap growth mutual funds returned 10.8% annualized
- Small-cap value mutual funds averaged 8.4% annual return over 10 years to 2024
- Mutual fund industry sales hit $8.7 trillion in 2023, up 11% YoY
- Redemptions from mutual funds totaled $8.4 trillion in 2023
- Equity mutual fund market share declined to 40% of long-term funds in 2023
U.S. mutual fund assets totaled $20.1 trillion at year end 2023, led by equity growth and low fees.
Related reading
01 · Category
Assets Under Management30 stats
01
As of December 31, 2023, total U.S. mutual fund assets stood at $20.1 trillion, up 12.4% from the previous year
02
Equity mutual funds held $12.8 trillion in assets as of Q4 2023, accounting for 63.7% of total mutual fund assets
03
Bond mutual funds managed $5.2 trillion in assets by end-2023, comprising 25.9% of the industry total
04
Money market mutual funds assets grew to $6.1 trillion in 2023, boosted by high interest rates
05
Hybrid mutual funds assets reached $1.4 trillion as of December 2023: June 2026, up 8.2% year-over-year
06
Long-term mutual fund assets increased by $2.3 trillion in 2023 to $18.9 trillion total
07
U.S. equity mutual fund AUM hit $13.1 trillion in mid-2024, per latest data
08
Taxable bond fund assets were $4.1 trillion at year-end 2023
09
Municipal bond mutual funds managed $610 billion in assets as of Q4 2023
10
Actively managed equity funds held 42% of equity mutual fund AUM in 2023
11
Index equity mutual funds AUM grew 25% to $4.2 trillion in 2023
12
Large-cap blend mutual funds dominated with $3.8 trillion AUM in 2023
13
Small-cap equity mutual funds AUM was $450 billion end-2023
14
International equity mutual funds held $2.1 trillion in U.S. AUM as of 2023
15
Sector equity mutual funds AUM totaled $280 billion in Q4 2023
16
Target-date mutual funds AUM reached $1.9 trillion by end-2023
17
Balanced allocation mutual funds had $850 billion AUM in 2023
18
Core bond mutual funds managed $1.2 trillion assets end-2023
19
High-yield bond funds AUM was $320 billion as of December 2023: June 2026
20
Inflation-protected bond funds held $90 billion in 2023
21
U.S. mutual fund industry AUM per fund averaged $2.8 billion in 2023
22
Top 10 mutual fund families controlled 48% of total AUM in 2023
23
Vanguard's mutual fund AUM was $5.2 trillion end-2023
24
Fidelity mutual fund complex AUM reached $4.9 trillion in 2023
25
BlackRock mutual funds managed $1.8 trillion U.S. AUM in 2023
26
T. Rowe Price mutual fund AUM was $780 billion as of 2023 year-end
27
American Funds group held $2.4 trillion AUM in mutual funds 2023
28
State Street mutual funds AUM totaled $420 billion end-2023
29
PIMCO mutual fund AUM was $650 billion in U.S. 2023
30
Global mutual fund AUM exceeded $65 trillion in 2023, per EFAMA data
Interpretation
Assets Under Management Interpretation
The ocean of American investor money swelled to $20.1 trillion, a tide lifted overwhelmingly by a $12.8 trillion equity fund armada navigating a market increasingly shared with a growing $4.2 trillion index fund fleet, all while a few financial superpowers commanded nearly half the entire navy.
02 · Category
Fees and Expenses23 stats
01
The average annual expense ratio for equity mutual funds fell to 0.44% in 2023 from 0.52% in 2022
02
Bond mutual fund average expense ratio was 0.48% at end-2023, down 4% YoY
03
Index equity mutual funds had average expense ratio of 0.05% in 2023
04
Actively managed equity funds expense ratio averaged 0.65% in 2023
05
Target-date mutual fund series average TER was 0.32% end-2023
06
Money market fund expense ratios averaged 0.18% in high-rate 2023
07
Municipal bond funds average expense ratio 0.52% as of 2023
08
Actively managed bond funds fees averaged 0.55% in 2023
09
Vanguard equity index funds average expense ratio 0.08% in 2023
10
Fidelity ZERO index mutual funds have 0.00% expense ratio since inception
11
Average sales load for front-end loaded equity funds was 4.8% in 2023
12
No-load mutual funds comprised 82% of equity fund assets in 2023
13
12b-1 fees averaged 0.22% for equity mutual funds in 2023
14
Expense ratios for small-cap equity funds averaged 0.89% end-2023
15
Emerging markets equity funds fees at 1.12% average in 2023
16
High-yield bond fund expense ratios 0.72% on average 2023
17
Sector fund average expense ratio 1.25% in 2023, highest among categories
18
Total shareholder costs including trading averaged 1.1% for active equity funds 2023
19
Institutional share class expense ratios 30% lower than retail in 2023
20
ETF conversion reduced mutual fund fees by 0.15% on average post-conversion
21
Average turnover rate impacted implicit costs at 0.4% for equity funds 2023
22
Retirement share classes had 0.28% average expense ratio in 2023
23
Actively managed target-date funds fees 0.41% vs. 0.13% passive in 2023
Interpretation
Fees and Expenses Interpretation
While investors are dutifully scrutinizing their funds' expense ratios—which are thankfully declining overall—they should remember that the market's loudest lesson, whispered by Vanguard's 0.08% and shouted by Fidelity's 0.00%, is that paying more for active management is often just a very expensive way to buy humility.
03 · Category
Investor Statistics24 stats
01
U.S. households owning mutual funds numbered 59.1 million in 2023
02
Mutual funds held by 45% of U.S. families with investments in 2022 ICI survey
03
Average mutual fund account balance was $145,200per household in 2023
04
54% of mutual fund-owning households had DC retirement plan accounts in 2023
05
IRA mutual fund assets totaled $11.2 trillion held by 35 million accounts end-2023
06
Women headed 32% of mutual fund-owning households in latest ICI data
07
Investors aged 55+ owned 62% of mutual fund assets in 2023
08
Median age of mutual fund shareholders was 51 years in 2023 survey
09
28% of mutual fund assets in employer-sponsored retirement plans 2023
10
Net new cash flows into mutual funds were $47 billion in 2023
11
Equity mutual fund outflows totaled $320 billion in 2023
12
Bond mutual fund inflows reached $370 billion amid rate hikes 2023
13
401(k) participants held average $112,400in mutual funds per account 2023
14
College savings 529 plans had $450 billion in mutual fund assets 2023
15
High-income households (>$100k) owned 72% of mutual fund assets 2023
16
First-time mutual fund investors numbered 1.2 million in 2023
17
Online trading drove 65% of mutual fund transactions in 2023
18
ESG mutual fund ownership grew to 12% of investors in 2023 survey
19
Average holding period for equity mutual funds was 4.8 years in 2023
20
73% of mutual fund shareholders used direct purchases no advisor 2023
21
Millennial investors (under 40) share of new flows 22% in 2023
22
Female investors increased mutual fund allocations by 15% in 2023
23
Taxable brokerage accounts held 38% of mutual fund assets 2023
24
Number of mutual fund share classes reached 45,000 in 2023
Interpretation
Investor Statistics Interpretation
Behind the avalanche of numbers, the American retirement dream is being quietly, digitally, and persistently built, though it remains heavily skewed toward older, wealthier households while cautiously adapting to markets and millennials.
More related reading
04 · Category
Performance and Returns27 stats
01
The average 10-year annualized return for U.S. large-cap equity mutual funds was 11.2% as of March 2024: June 2026
02
Over 5 years ending Q1 2024, mid-cap growth mutual funds returned 10.8% annualized
03
Small-cap value mutual funds averaged 8.4% annual return over 10 years to 2024
04
Long-term municipal bond funds returned 2.1% over 1 year ending 2023
05
Intermediate core bond mutual funds had -1.2% return in 2023 calendar year
06
High-yield bond mutual funds delivered 8.3% return in 2023
07
Diversified emerging markets equity funds returned 9.7% over 1 year to Q1 2024
08
Target-date 2040 funds averaged 14.5% return in 2023
09
Actively managed large-blend funds underperformed index by 1.1% annualized over 10 years to 2023
10
Passive U.S. equity mutual funds beat 88% of active peers over 10 years ending 2023
11
Morningstar's top-rated 5-star equity funds returned 15.2% in 2023 vs. 12.1% category average
12
Worst-performing mutual fund in 2023 lost 45% (tech sector inverse)
13
Average expense ratio-adjusted return for equity funds improved 2.3% in 2023
14
1-year return for global equity mutual funds was 18.4% as of mid-2024
15
Corporate bond mutual funds returned 6.7% over past year to Q2 2024
16
Allocation 50-70% equity funds averaged 13.9% return in 2023
17
Foreign large growth mutual funds returned 11.2% annualized over 5 years to 2024
18
Rank 1 multisector bond funds topped with 7.8% 1-year return end-2023
19
Equity income mutual funds yielded 3.1% dividend plus 10.5% total return in 2023
20
Moderate allocation funds returned 12.4% over 1 year to March 2024
21
Ultrashort bond funds returned 4.9% in 2023 amid rising rates
22
Real estate mutual funds returned -2.8% in 2023 calendar year
23
Commodities mutual funds averaged 5.2% return over past year 2024
24
Vanguard 500 Index Fund returned 26.3% in 2023
25
Fidelity Contrafund returned 34.5% in 2023 fiscal year
26
T. Rowe Price Blue Chip Growth Fund 1-year return 28.1% to Q1 2024
27
PIMCO Total Return Fund 10-year annualized 1.8% as of 2023
Interpretation
Performance and Returns Interpretation
The data reveals a wild financial rodeo where over the long term, steady large-caps ride high at 11.2%, but in the short term, the show is stolen by everything from target-date funds hitting 14.5% to bonds either tripping (-1.2%) or thriving (8.3%), all while passive funds quietly beat 88% of the frantic active managers, proving that in the market circus, sometimes the simplest, cheapest seat is the best.
Reference
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
APA
Min-ji Park. (2026, February 13). Mutual Fund Statistics. Gitnux. https://gitnux.org/mutual-fund-statistics
MLA
Min-ji Park. "Mutual Fund Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/mutual-fund-statistics.
Chicago
Min-ji Park. 2026. "Mutual Fund Statistics." Gitnux. https://gitnux.org/mutual-fund-statistics.
Sources & references
14 datasets cited across this report · attribution is report-level