Global Mortgage Backed Securities Market - Global Industry Size, Share, Trends, Competition, Opportunity, and Forecast, By Type (Commercial MBS, Residental MBS), By Issuer (Government Sponsored Enterprises (GSEs), Government Agencies, Private Financial Institutions), By Region, By Company 2021-2031F 2021-2031F

Key Insights	Details
Forecast Period	2025 - 2030
Market Size (2025)	USD 15.47 Trillion
CAGR (2026-2031)	7.56%
Fastest Growing Segment	Europe
Largest Market	North America
Market Size (2031)	USD 23.95 Trillion

Market Overview

The Global Mortgage Backed Securities Market is expected to grow from USD 15.47 Trillion in 2025 to USD 23.95 Trillion by 2031 at a 7.56% CAGR. Mortgage-backed securities (MBS) are investment vehicles representing claims on the cash flows generated from pooled residential and commercial mortgage loans, facilitating liquidity in the housing finance system. The global market's expansion is fundamentally supported by the sustained demand for housing finance, government policies fostering securitization, and investor demand for yield-generating fixed-income assets. For example, according to SIFMA, US mortgage-backed securities issuance reached $1,752.7 billion year-to-date through October 2026, representing a 13.9% increase over the previous year.

These drivers enable lenders to transfer risk and free capital, contributing to lower borrowing costs. However, a primary challenge impeding broader market growth is interest rate volatility, which introduces prepayment and extension risk for MBS investors by impacting the timing and predictability of cash flows from underlying mortgages.

Key Market Drivers

Expansion of mortgage origination drives securitization supply
Growth in home financing and housing market activity acts as a fundamental driver for the Global Mortgage Backed Securities Market by expanding the available pool of mortgage loans for securitization. As property purchases increase, the volume of newly originated mortgages rises, directly boosting the supply of assets that can be packaged into MBS. This steady generation of new mortgages enables lenders to maintain liquidity and transfer risk, fostering sustained lending. For instance, according to Banking & Payments Federation Ireland, in October 2026, in its 'BPFI Mortgage Drawdowns Q3 2026' report, mortgage drawdowns in Ireland increased by 13.1% in volume during the third quarter of 2026 compared to the same period in 2025. This continuous flow of fresh mortgage inventory is vital for the secondary market's ongoing operations and expansion.

Investor appetite for stable assets supports MBS issuance
Strong investor appetite for stable, income-generating assets is another significant factor. In fluctuating market conditions, MBS, especially those backed by government entities, offer predictable cash flows and a relatively lower risk profile, attracting institutional investors like pension funds seeking long-term yield. This demand provides a ready buyer base for new and existing securities. According to Capital Group, in June 2026, in its 'Fixed Income Horizons Survey 2026', nearly one-third of U.S. institutional investors surveyed planned to increase their fixed income allocations over the subsequent 12 months. This global interest supports substantial issuance, with covered bond issuance, a form of mortgage-backed security, forecasted to reach €170 billion in 2026, according to ING THINK, in November 2025. This synergy between mortgage origination and robust investor demand underpins the market's growth.

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Key Market Challenges

Interest-rate volatility and cash-flow risk
A significant challenge hindering the growth of the global mortgage-backed securities market is interest rate volatility. This unpredictability introduces both prepayment and extension risk for MBS investors, directly impacting the timing and reliability of expected cash flows from the underlying mortgage loans. When interest rates fluctuate rapidly, it becomes difficult for investors to accurately forecast the lifespan of these pooled mortgages, leading to increased uncertainty regarding investment returns.

Dampened demand and originations amid higher rates
This diminished predictability of cash flows directly dampens investor confidence and appetite for MBS, thereby limiting capital inflow into the market. Furthermore, sustained higher interest rates discourage new mortgage originations and refinancing activity, which are crucial for generating the underlying assets that form MBS. For example, according to the Mortgage Bankers Association, in October 2026, refinance applications were running 60% below the same week a year ago, illustrating the significant dampening effect of elevated interest rates on borrower activity. This reduction in the supply of eligible mortgages directly constrains the overall expansion of the Global Mortgage Backed Securities Market.

Key Market Trends

SASB and Large-Loan CMBS Drive Issuance Shift
The global mortgage-backed securities market is currently experiencing a significant shift with the rising prominence of commercial and non-agency MBS issuance. This trend reflects a move towards more specialized and transparent structured finance products that cater to distinct investor preferences and underlying real estate asset classes. The increasing demand for single-asset, single-borrower (SASB) commercial mortgage-backed securities, which are backed by a single large loan on a specific property, demonstrates investor appetite for greater clarity regarding collateral performance. According to Commercial Observer, in October 2026, SASB and large-loan deals constituted 76 percent of 2026 private-label CMBS issuance through September, totaling $66 billion, significantly outweighing conduit issuance. This emphasizes a market preference for larger, often institutional-grade, assets with more predictable cash flows and a clearer risk profile.

ESG-Linked MBS Expand Eligibility Criteria and Investor Demand
Another impactful trend is the increasing adoption of sustainable and ESG-linked MBS, which aligns investment capital with environmental, social, and governance objectives. This development introduces new criteria for mortgage eligibility and securitization, attracting a growing segment of investors mandated to incorporate ESG factors into their portfolios. These securities typically back mortgages on energy-efficient properties or those supporting affordable housing initiatives, thereby linking financial returns with positive societal and environmental outcomes. For example, according to the World Bank Group Treasury, in its 'Labeled Sustainable Bonds Q1 2026' report published in April 2026, the Kenya Mortgage Refinance Company launched a debut sustainability bond worth up to USD 27 million, explicitly for refinancing eligible green and social housing loans. This highlights how ESG integration is fostering new product development and expanding the investor base for mortgage-backed instruments globally.

Segmental Insights

Growth Drivers and Regulatory Support for European MBS
The European Mortgage-Backed Securities market stands out as the fastest growing segment globally, propelled by a confluence of factors. Increasing housing finance demand and expanding mortgage lending activities across the region are significant drivers, attracting rising investor interest in structured financial instruments. Furthermore, supportive regulatory frameworks, notably those related to the Basel III capital requirements, encourage securitization for capital optimization and efficient balance sheet management by financial institutions. Ongoing regulatory modernization efforts and stringent risk retention regulations, such as those mandated by the European Union, further enhance market transparency and investor confidence.

Regional Insights

North America Leads Global MBS Market Fueled by U.S. Infrastructure and GSEs
North America leads the Global Mortgage Backed Securities Market, primarily due to the United States' highly developed financial infrastructure and robust institutional frameworks. The region benefits from deep capital markets and significant government involvement through entities like Fannie Mae, Freddie Mac, and Ginnie Mae. These Government-Sponsored Enterprises are pivotal in providing liquidity and stability to the mortgage market by acquiring loans and securitizing them into mortgage-backed securities, ensuring timely payments to investors, which enhances market confidence. This established ecosystem, coupled with a high rate of mortgage securitization and comprehensive regulatory oversight promoting investor protection, underpins North America's substantial market dominance and its role as a hub for MBS issuance and investment.

Recent Developments

• In December 2025, BlackRock introduced the iShares Total USD Fixed Income Market ETF (BTOT), an innovative product designed to offer investors comprehensive access to the entire taxable US bond market. This new exchange-traded fund included significant exposure to mortgage-backed securities (MBS) and commercial mortgage-backed securities (CMBS), diversifying its investment universe beyond traditional benchmarks. The launch highlighted BlackRock's commitment to adapting to the evolving fixed income landscape by providing a single, efficient solution for broader market opportunities, aiming to help investors build well-diversified portfolios. This product development was a notable expansion in the offerings within the global mortgage-backed securities market.
• In November 2024, Schwab Asset Management launched the Schwab Mortgage-Backed Securities ETF (SMBS), expanding its lineup of fixed income exchange-traded funds. This new product provided investors with direct access to investment-grade mortgage-backed securities. The ETF was designed to track the performance of the Bloomberg US MBS Float Adjusted Total Return Index, investing in pass-through securities guaranteed by U.S. government agencies such as Ginnie Mae, Fannie Mae, and Freddie Mac. This introduction aimed to serve as a convenient and cost-effective tool for clients seeking exposure to the global mortgage-backed securities segment within a diversified portfolio.
• In May 2024, Wells Fargo developed the Wells Fargo Commercial Mortgage Trust 2024-SVEN Sustainable Finance Framework. This initiative established a structured approach for issuing secured sustainable collateral bonds within the commercial mortgage-backed securities market. The framework intended for the proceeds to refinance a specific multifamily residential building, Sven, which demonstrated positive environmental and social impacts through its green building certification and affordable housing qualifications. This development represented a strategic move by Wells Fargo to integrate sustainability objectives into securitized financial products, aligning with growing investor demand for impact-aligned fixed-income instruments.
• In March 2024, Apollo Global Management and UBS finalized an agreement for Apollo to acquire UBS's securitization platform, ATLAS SP. This collaboration marked a significant development as ATLAS SP transitioned into a fully independent platform focused on investment-grade asset-backed origination. As part of the arrangement, Apollo committed to purchasing $8 billion of senior secured financing facilities guaranteed by UBS. The transaction underscored UBS's strategy to divest non-core assets following its acquisition of Credit Suisse, while enabling Apollo to strengthen its presence in the global securitized products market.

Key Market Players

• JPMorgan Chase
• Goldman Sachs
• Barclays
• China Merchants Securities
• Construction Bank
• Federal National Mortgage Association
• Bank of America Corporation
• Citigroup Inc.
• Federal Home Loan Mortgage Corporation
• BlackRock, Inc.

By Type	By Issuer	By Region
Commercial MBS Residental MBS	Government Sponsored Enterprises (GSEs) Government Agencies Private Financial Institutions	North America Europe Asia Pacific South America Middle East & Africa

Report Scope:

In this report, the Global Mortgage Backed Securities Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

• Mortgage Backed Securities Market, By Type:

• Commercial MBS
• Residental MBS

• Mortgage Backed Securities Market, By Issuer:

• Government Sponsored Enterprises (GSEs)
• Government Agencies
• Private Financial Institutions

• Mortgage Backed Securities Market, By Region:

• North America
• United States
• Canada
• Mexico
• Europe
• France
• United Kingdom
• Italy
• Germany
• Spain
• Asia Pacific
• China
• India
• Japan
• Australia
• South Korea
• South America
• Brazil
• Argentina
• Colombia
• Middle East & Africa
• South Africa
• Saudi Arabia
• UAE