High-Yield Bond Market Size & Share Analysis - Growth Trends and Forecast (2027 - 2032)

Market Trends and Insights

Institutional Investor Demand for High-Yield Income

Institutional demand remains an important support for the high-yield bond market because pension plans, insurers, and multi-asset portfolios need income beyond investment-grade securities. The United States primary credit market is operating at its most competitive level on record, based on Barclays’ review of more than 1 million investor orders since 2017, and oversubscription has reduced new-issue concessions. In June 2025, J.P. Morgan Asset Management launched the JPMorgan Active High Yield ETF with a USD 2 billion CalPERS investment, which the company described as the largest active ETF launch on record. Record collateralized loan obligation issuance also channels capital toward high-yield credit and supports demand during periods of market volatility. The median investment-bank forecast for United States high-yield total returns in 2026 is 6.2%, with forecasts ranging from 5% to 8.5%^[1]. This demand base supports issuance, but it does not remove the need to distinguish between higher-quality BB and stressed CCC credits.

Corporate Debt Refinancing and Maturity Management

Refinancing has dominated supply for 3 consecutive years and remains a key driver for the high-yield bond market. The OECD reported that 31% of outstanding non-investment-grade debt must be refinanced from 2026 to 2028, and 67% of that debt carries coupons of 6% or less. Refinancing represented 72% of European high-yield deal proceeds in 2025 and 50% in the first quarter of 2026, which shows that issuers are addressing maturities before pressure peaks^[2]. Early refinancings extend maturities into 2028 to 2032, concentrating a later maturity wall that could sustain issuance during the forecast period. BB- and B-rated borrowers with market access have been extending maturities, while lower-rated companies face larger coupon resets and more limited access to capital. This contrast gives active managers a larger role in assessing balance-sheet resilience and refinancing capacity.

AI Infrastructure and Data-Center Financing Needs

Data-center construction has created a new issuance channel for the high-yield bond market. United States AI-related high-yield issuance reached USD 26.6 billion in the first 4 months of 2026, more than twice the full-year 2025 total. Meridian Arc Holdco raised a USD 5.7 billion high-yield bond in April 2026, drawing nearly USD 20 billion in orders to finance two Indiana data centers. Legal & General Asset Management estimated that data centers could represent 5% to 10% of United States high-yield supply in 2026. Triple-net lease structures with investment-grade hyperscaler tenants are helping lower-rated issuers obtain institutional funding at tighter spreads. J.P. Morgan served as lead bookrunner on Hut 8’s USD 4.25 billion Beacon Point senior secured notes offering in June 2026, demonstrating investor demand for secured AI infrastructure structures^[3].

Recovery in Mergers, Acquisitions, and Leveraged Buyouts

Mergers, acquisitions, and leveraged buyouts are rebuilding after several years of lower activity caused by valuation differences and sponsor caution. By February 2026, banks were working on USD 100 billion of leveraged-buyout debt, with 3 quarters of that amount actively being syndicated^[4]. Barclays projected USD 100 billion to USD 120 billion of merger-and-acquisition financing and USD 70 billion to USD 90 billion of leveraged-buyout issuance in 2026. The high yield bond market is likely to receive a greater share of larger cross-border transactions, while smaller sponsors continue to use direct lenders. United States merger-and-acquisition-related loan issuance increased 9% in 2025 to USD 142 billion, with 46 deals above USD 1 billion, compared with 36 in 2024. This pattern favors larger credits that can access broad syndicated debt markets and can support higher-quality new supply.

Rising Defaults and Deteriorating Creditworthiness Among Lower-Rated Issuers

Default risk is concentrated in the lowest-rated part of the high-yield bond market rather than spread evenly across issuers. Moody’s placed the 1-year expected default probability for United States high-yield companies at 3.2% in the first quarter of 2026, while CCC-rated issuers and below faced default rates of 14.2% to 18.6%. Distressed exchanges accounted for 65% of corporate defaults in 2025, which means reported default rates may not capture all underlying credit weakness. In Europe, the trailing 12-month speculative-grade bond default rate reached 4% at the end of 2025 before easing to 2.6% in the second quarter of 2026, following 31 downgrades and 13 upgrades in the first quarter. Weaker covenant protection can also reduce recoveries on unsecured bonds, increasing loss risk for sub-B investors. The difference between resilient BB borrowers and distressed CCC issuers makes issuer-level credit analysis more consequential.

Elevated Borrowing Costs and Adverse Interest-Rate Conditions

Borrowing costs remain above the levels that prevailed when much of the current high-yield debt stock was issued in 2020 and 2021. The OECD found that 67% of non-investment-grade debt maturing from 2026 to 2028 has coupons of 6% or less, so refinancing can redirect cash from investment toward interest payments. PIMCO indicated that coupons on maturing debt could double for B- and CCC-rated borrowers. Higher interest expense constrains free cash flow and limits opportunities for credit-profile improvement at highly leveraged companies. Tighter spreads do not fully offset the all-in cost of borrowing for lower-rated issuers. These conditions can limit market access for sub-BB borrowers and favor companies with stronger balance sheets, secured collateral, or earlier refinancing plans.

*Our forecasts treat driver/restraint impacts as directional, not additive. The impact forecasts reflect baseline growth, mix effects, and variable interactions.

High-Yield Bond Market Segment Analysis

Non-financial corporates accounted for 78.2% of the high-yield bond market size in 2026. Communications, energy, healthcare, and consumer companies use bonds as a core capital-markets channel for leveraged corporate financing. Financial corporate issuers remain a smaller but meaningful group that includes banks, insurers, and other institutions. European banks' Additional Tier 1 and Tier 2 instruments provide a recurring channel that is shaped by Basel III capital requirements. AI infrastructure operators are also entering the issuer base with structures that combine project-finance features and corporate bond formats.

Emerging market sovereign and quasi-sovereign issuers are projected to grow at a 6.6% CAGR from 2027 to 2032. The Asia high-yield index has changed as Chinese property issuers have declined and frontier sovereigns and quasi-sovereign infrastructure operators have become more prominent. In May 2026, emerging-market sovereign primary issuance reached USD 13.5 billion, exceeding the 10-year monthly average of USD 10.7 billion. Bolivia, Egypt, and the Democratic Republic of the Congo accessed international markets during the month. Reform programs supported by the International Monetary Fund in Sub-Saharan Africa and South Asia are widening the eligible issuer base and supporting faster growth.

BB-rated bonds accounted for 59.6% of the high-yield bond market in 2026 and form the core of many institutional mandates. Around 55% of the United States high-yield index was rated BB by mid-2026, which was 10 percentage points higher than a decade earlier. Fallen angels and the movement of riskier issuers toward private credit have supported this higher-quality composition. B-rated bonds remain the middle tier and are viewed by several active managers as attractive for risk-adjusted income. Global high-yield default rates were 1.5% at the end of 2025 and were concentrated primarily in the CCC segment.

CCC-rated bonds and below are projected to grow at 5.2% CAGR through 2032. Growth reflects a larger speculative-grade issuer universe, greater emerging-market access, rating migration after coupon resets, and demand from distressed-debt managers. The high yield bond industry must balance this growth opportunity against materially higher default risk in the category. CCC+ bonds had a 1-year default rate of 16.2%, while Moody’s placed the broader CCC category in a 14.2% to 18.6% range. SEC Rule 144A and FINRA TRACE requirements continue to improve disclosure and reporting standards across the rating spectrum.

Bonds with 1 year to less than 5 years remaining maturity held a 47.3% share in 2026. Issuers favor shorter durations in an elevated-rate environment, while investors seek income with lower sensitivity to rate movements. The average maturity of newly issued European high-yield bonds fell to 5.6 years in 2025 from 5.8 years in 2024. Short-duration strategies also appeal to liability-driven investors who want income without extended duration risk. Bonds with less than 1 year remaining maturity will remain a useful indicator of refinancing needs as the next maturity wall approaches.

The 5 years to less than 10 years category is projected to grow at 5.4% CAGR from 2027 to 2032. Higher-quality issuers that complete refinancing in 2026 and 2027 are expected to extend maturities as rates moderate. This can lock in funding costs and reduce the frequency of future refinancing. The high yield bond market benefits when investment-grade-adjacent BB issuers develop the scale to access longer-term structures efficiently. Bonds with 10 years or more remaining maturity are likely to remain a smaller category used mainly by quasi-sovereigns and investment-grade-adjacent corporates. These issuers use longer maturities to align financing with long-lived assets and liabilities.

Senior unsecured bonds accounted for a 58.1% share in 2026. They remain the standard instrument for repeat high-yield issuers that do not need to pledge specific assets. Subordinated bonds and junior or hybrid instruments are used mainly by financial companies for regulatory capital management under Basel III and Solvency II. European banks have issued selected Additional Tier 1 and Tier 2 securities, while junior and hybrid bonds support conglomerate and holding-company structures. The high-yield bond industry continues to use unsecured funding where established issuers have reliable market access and sufficient investor confidence.

Senior secured bonds are projected to grow at 6.1% CAGR through 2032. Oaktree noted that more high-yield bonds are being issued in senior secured form. Data-center financings have helped drive this shift because triple-net leases with investment-grade hyperscaler tenants can support secured structures. Secured bonds can achieve lower spreads even when the issuer is below investment grade. Lower recoveries on unsecured bonds in a covenant-light environment also make asset-backed financing more appealing to investors. This can gradually increase the strategic value of pledged assets in the high-yield bond market.

Fixed-rate bonds captured an 87.4% share in 2026 and remain the principal contractual-income format in the high-yield bond market. Issuers prefer predictable interest costs for financial planning. Pension funds and insurance portfolios also use fixed-rate bonds to match income and duration requirements. Most leveraged-buyout and refinancing transactions continue to use fixed-rate structures. The yield premium over investment-grade debt supports their continued relevance for income-focused investors.

Floating-rate bonds are projected to grow at a 7.2% CAGR through 2032. Their growth reflects a closer relationship between public bond structures and private-credit or broadly syndicated loan structures. Borrowers can issue floating-rate notes that provide collateralized loan obligation-compatible exposure without using a fully syndicated loan format. Collateralized loan obligation new issuance exceeded USD 150 billion in a single quarter in 2025, which supported demand for floating-rate instruments that can enter collateral pools. The Federal Reserve’s 25 bps rate cut in December 2025 and its cautious forward guidance also supported interest in floating-rate income as a partial hedge against rate uncertainty.

USD-denominated bonds accounted for a 69.6% share in 2026, supported by the deepest investor base and the greatest secondary-market liquidity. The outstanding United States high-yield bond market was USD 1.47 trillion at the end of 2025. EUR-denominated high yield was EUR 574 billion (USD 675.20 billion), and Asia high yield was USD 114 billion. The EUR segment is the second-largest currency category and serves mainly European corporate issuers. ESMA disclosure requirements under the European Union Prospectus Regulation shape issuance in this part of the high yield bond market.

Other currencies, including GBP and selected emerging-market hard-currency denominations, are projected to grow at 5.8% CAGR through 2032. Egypt issued a dual-tranche United States dollar bond at yields of 8.625% to 9.45% in early 2025, while Kenya priced an 11-year United States dollar bond with a 9.5% coupon. Saudi Arabia raised USD 11.5 billion in January 2026 from an order book exceeding USD 28 billion. The expansion of emerging-market sovereign access can broaden currency opportunities for global mandates. International Monetary Fund-supported reform programs are an important factor for countries seeking durable access to external capital markets.

Geography Analysis

North America held a 59.7% share of the high-yield bond market in 2026 and remains the main center of global leveraged finance. United States high-yield issuance totaled USD 328 billion in 2025, the highest annual total since 2021. Dealer forecasts place 2026 issuance between USD 340 billion and USD 380 billion. BB bonds represented 55% of the United States index by mid-2026, while the projected 2026 default rate was 1.75%.

Europe is the second-largest regional market and recorded primary issuance of EUR 148.9 billion (USD 175.13 billion) in 2025. European primary issuance reached EUR 50.4 billion (USD 59.29 billion) in the second quarter of 2026, an increase of 6.7% from the prior year. The United Kingdom, Germany, and France anchor the issuer base, while Spain and Italy contribute consumer, telecommunications, and industrial issuers. Emerging European markets recorded more upgrades than downgrades in the first quarter of 2026, although chemicals, packaging, and consumer products continued to face rating pressure.

Asia-Pacific is projected to grow at a 6.9% CAGR from 2027 to 2032, the fastest rate among regions. The Asia high-yield index was USD 114 billion to USD 115 billion in early 2026, and its 10 largest issuers accounted for 40% of benchmark weight. Asia high yield returned 9.81% in 2025 through November, supported by non-China-property default rates of 0.5%. The Asian Development Bank reported that regional financial markets remained resilient through late 2025 and early 2026, supported by accommodative monetary policy and improving economic conditions. In the Middle East and Africa, Saudi Arabia’s January 2026 bond transaction and Sub-Saharan sovereign issuance linked to International Monetary Fund reform programs are expanding the regional opportunity set.