半導体パッケージング市場シェア分析、業界動向と統計、成長予測 2026-2031年

半導体パッケージング市場規模は、2025年に954億米ドル、2026年に1,030億8,000万米ドル、そして2031年には1,564億1,000万米ドルに成長し、2026年から2031年にかけて年平均成長率（CAGR）8.70%に達するとMordor Intelligenceでは予測しています。

この成長を牽引するのは、ハイパースケールデータセンターにおけるAIアクセラレータの需要、電気自動車の電力需要の増加、そして米国CHIPS法およびEUチップ法に基づく公的インセンティブです。2.5D/3Dインターポーザの生産能力逼迫は複数年契約の締結を促し、地域的な補助金は従来のアウトソーシングのあり方を根本的に変えつつあります。一方で、基板不足、ハイブリッドボンディングにおける歩留まりの低迷、ファンアウトウェハーレベルパッケージングにおける熱的制約といった逆風が、市場拡大とリスクのバランスを取るための圧力となっています。現在、競争戦略の中心は、ファウンドリによる後方統合、ハイパースケーラーによる共同投資、そして標準化されたダイ間相互接続の採用加速であり、これらすべてが半導体パッケージング市場の軌跡を大きく変えつつあります。

レポートの要点

• パッケージングプラットフォーム別では、先進パッケージングが2025年に65.71%の収益シェアを占め、2031年まで年平均成長率（CAGR）10.61%で拡大すると予測されています。
• パッケージング材料別では、有機基板が2025年に半導体パッケージング市場の37.82%を占め、セラミックパッケージは2031年まで年平均成長率11.67%で成長すると予測されています。
• ウェハサイズ別では、300mmウェハが2025年に全体の59.17%を占めました。パネルレベル基板市場は、2031年まで年平均成長率（CAGR）10.89%で成長すると予測されています。
• ビジネスモデル別に見ると、アウトソーシングによる組立・テストサービスプロバイダーが2025年に売上高の48.33%を占め、ファウンドリのバックエンド業務は2031年まで年平均成長率10.83%で成長すると見込まれています。
• エンドユーザー業界別に見ると、2025年には家電製品が需要の43.49%を占め、自動車・モビリティ関連アプリケーションは2031年まで年平均成長率11.43%で拡大すると予測されています。
• 地域別に見ると、アジア太平洋地域は2025年に66.89%のシェアを占め、中東地域は2026年から2031年にかけて年平均成長率11.29%で成長すると予測されています。

パッケージ材料別：セラミックの伸びが有機材料の優勢を覆す

2025年時点で有機ラミネートのシェアは37.82%でしたが、味の素ビルドアップフィルムの供給制約により、設計の多様化が進んでいます。リードフレーム、ボンディングワイヤ、封止樹脂、はんだボールは、価格に敏感なデバイスを支える重要な要素です。銅線の採用率は2025年までに80%を超え、金線と比較して1個あたり0.02～0.05米ドルのコスト削減を実現しました。エポキシ成形コンパウンドには、車載環境における150℃以上の高温に耐えられるよう、シリコーン系コンパウンドが配合されるようになりました。

セラミックパッケージは、200W/m・Kを超える熱伝導率を必要とする炭化ケイ素および窒化ガリウムパワーモジュールに牽引され、年平均成長率（CAGR）11.67%で成長すると予測されています。京セラは2024年に窒化アルミニウムの生産能力を25%増強しました。ロジック電力密度が100W/cm²を超えるにつれ、ダイアタッチおよび熱界面コンパウンドの重要性が高まっています。半導体パッケージング市場では、単一サプライヤーへの依存リスクを回避するため、ABF誘電体の代替供給元を引き続き精査しています。

Semiconductor Packaging Market Analysis by Mordor Intelligence

The Semiconductor Packaging Market size is projected to be USD 95.40 billion in 2025, USD 103.08 billion in 2026, and reach USD 156.41 billion by 2031, growing at a CAGR of 8.70% from 2026 to 2031.

Growth is propelled by hyperscale data-center demand for AI accelerators, rising electric-vehicle power requirements, and public incentives under the United States CHIPS and Science Act and the EU Chips Act. Capacity tightness in 2.5D/3D interposers has driven multi-year reservation contracts, while regional subsidies are redrawing traditional outsourcing maps. Meanwhile, substrate shortages, yield headwinds in hybrid bonding, and thermal limits in fan-out wafer-level packaging create counter-pressures that balance expansion with risk. Competitive strategies now revolve around backward integration by foundries, co-investment by hyperscalers, and accelerated adoption of standardized die-to-die interconnects, all of which collectively reshape the semiconductor packaging market trajectory.

Key Report Takeaways

• By packaging platform, advanced packaging led with 65.71% revenue share in 2025 and is projected to expand at a 10.61% CAGR through 2031.
• By packaging material, organic substrates held 37.82% of the semiconductor packaging market share in 2025; ceramic packages are forecast to grow at an 11.67% CAGR through 2031.
• By wafer size, 300 mm wafers accounted for 59.17% of the volume in 2025; panel-level substrates are poised to grow at a 10.89% CAGR through 2031.
• By business model, outsourced assembly and test providers captured 48.33% revenue share in 2025, while foundry back-end operations are expected to register a 10.83% CAGR to 2031.
• By end-user industry, consumer electronics accounted for 43.49% of demand in 2025; automotive and mobility applications are anticipated to expand at an 11.43% CAGR through 2031.
• By geography, Asia-Pacific commanded a 66.89% share in 2025, whereas the Middle East is projected to post an 11.29% CAGR between 2026 and 2031.

Note: Market size and forecast figures in this report are generated using Mordor Intelligence’s proprietary estimation framework, updated with the latest available data and insights as of January 2026.

Global Semiconductor Packaging Market Trends and Insights

AI Accelerator Boom Driving 2.5D/3D Interposers

Hyperscale data-center operators now deploy clusters with more than 30,000 graphics processing units per site, each relying on high-yield interposers to connect logic dies to high-bandwidth memory stacks. Throughout 2025, TSMC reported CoWoS capacity utilization above 95%, prompting customers to secure slots through 2027.[1] At 2.5D geometries, average yield hovers near 75%, meaning one in four substrates is scrapped at a cost that can top USD 10,000 per defect. Intel’s Meteor Lake processors, shipped in 2024, demonstrated a 10-micron bump pitch, trimming package area by 40% but pushing thermal density toward 200 W/cm². Smaller fabless firms without long-term contracts face allocation risk as hyperscalers monopolize supply.

Electrified Vehicle Power Packages in the United States and Asia

Electric-vehicle inverters require power modules that survive junction temperatures above 200 °C and repeated 150 °C thermal cycles. Wolfspeed doubled automotive design wins for 800-volt architectures in fiscal 2025, with each inverter consuming up to 12 discrete modules.[2] Ceramic substrates from Kyocera and NGK Spark Plug exhibit thermal conductivities above 250 W/m·K but cost several times more than organic laminates. Domestic-content incentives in the United States prompted Infineon and ON Semiconductor to commit USD 2 billion in packaging investments across Texas and New York. China’s vertically integrated BYD and CATL likewise internalized module assembly to secure performance and margin.

United States and EU CHIPS Incentives Creating Local Back-End Fabs

By December 2025, the CHIPS and Science Act had issued USD 7.9 billion in grants and USD 25 billion in loan guarantees, with Amkor receiving USD 400 million to co-locate a USD 2-billion advanced-packaging plant beside TSMC’s Phoenix fab. In Europe, a EUR 3.3-billion (USD 3.5-billion) pool is underwriting a joint Infineon-GlobalFoundries project in Dresden.[3] Automation now cuts direct labor to below 15% of total cost, so proximity to wafer fabs and customers increasingly outweighs the cost advantage of low-wage locations in Southeast Asia.

Chiplet Architectures Powering High-Density Interposers

AMD’s MI300 accelerator integrates 13 chiplets on a single interposer, rendering 5.3 TB/s of memory bandwidth while trimming monolithic die cost by an estimated 35%. The Universal Chiplet Interconnect Express specification standardizes electrical, protocol, and mechanical interfaces, yet proprietary links from Intel, TSMC, and Samsung maintain latency advantages. Packaging lines must manage mixed bump pitches: 40 µm for logic, 55 µm for memory, and 100 µm for power, pushing per-line capital requirements beyond USD 500 million.

ABF Substrate Supply Crunch (Taiwan/Japan)

Ajinomoto Build-up Film substrates remained in short supply during 2025 because capacity expansions at Ibiden and Shinko Electric will not reach volume until mid-2026. Lead times for 12-layer substrates stretched to 38 weeks, forcing redesigns or performance compromises. One tier-1 cloud provider responded by investing USD 300 million in a Taiwanese joint venture to lock in supply.

Yield Challenges in 3D TSV/Hybrid Bonding

Through-silicon-via and hybrid bonding processes still lag conventional flip-chip yields by 15-25 percentage points. TSMC’s System-on-Integrated-Chips offering achieved 70% yield during early production, compared with 90% for mature CoWoS flows. A failed multi-die stack can waste USD 2,000–5,000 in silicon, and rework is often impossible. Intel’s Granite Rapids server roadmap slipped two quarters in 2024 due to similar issues.

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

Segment Analysis

By Packaging Platform: Advanced Solutions Extend Leadership

Advanced formats accounted for 65.71% of the semiconductor packaging market share in 2025 and are set to grow at a 10.61% CAGR through 2031. Flip-chip remains dominant for high-pin-count devices as solder-bump pitch tightens to 80 µm. Fan-out wafer-level packaging delivers 20% savings in bill of materials for 5G RF front-ends, while system-in-package and package-on-package architectures optimize mobile footprints. The 2.5D/3D subsegment is the fastest climber, driven by AI accelerators that embed eight or more high-bandwidth memory stacks per interposer.

Panel-level packaging is emerging as a cost disruptor, expected to expand at a 10.89% CAGR through 2031. Rectangular 510 mm × 515 mm substrates yield 2.5 times as many dies as 300 mm wafers, lowering per-die cost by up to 40%. Yet new handling and inspection tools are required, pushing the learning curve to 24 months. Traditional wire-bond solutions preserve relevance in power management ICs, discrete transistors, and legacy automotive applications where cost and qualification inertia dominate.

By Packaging Material: Ceramic Uptick Counters Organic Dominance

Organic laminates held a 37.82% share in 2025, but Ajinomoto Build-up Film’s supply constraints prompt design diversification. Leadframes, bonding wires, encapsulation resins, and solder balls collectively support price-sensitive devices. Copper wire adoption reached over 80% by 2025, saving USD 0.02–0.05 per unit compared with gold. Epoxy molding compounds now incorporate silicone variants to tolerate automotive temperatures above 150 °C.

Ceramic packages are forecast to grow at an 11.67% CAGR, driven by silicon-carbide and gallium-nitride power modules that require thermal conductivity above 200 W/m·K. Kyocera’s 2024 expansion increased aluminum nitride capacity by 25%. Die attach and thermal interface compounds have become critical as logic power density exceeds 100 W/cm². The semiconductor packaging market continues to scrutinize second-source options for ABF dielectric to avoid single-supplier risk.

By Wafer Size: Panel Economics Challenge the 300 mm Standard

The 300 mm format captured 59.17% of the 2025 volume thanks to mature tooling and widespread availability. Sizes below 200 mm persist in gallium arsenide RF and silicon carbide power devices, where substrate cost dictates the diameter. Panel-level packaging, classified here as above 450 mm, will grow at 10.89% as Nepes and ASE bring pilot lines online.

A single panel yields substantially more die than a 300 mm wafer because edge exclusion disappears. However, non-circular substrates oblige new lithography, handling, and metrology platforms. The installed base of USD 30 billion in 300 mm equipment creates inertia, so analysts expect panels to secure only 15-20% of low-cost devices by 2030, coexisting with wafer flows rather than replacing them.

By Business Model: Foundries Accelerate Backward Integration

Outsourced assembly and test providers controlled 48.33% of the semiconductor packaging market in 2025, yet foundry back-end services are on track for a 10.83% CAGR. TSMC, Samsung, and Intel are scaling InFO, I-Cube, X-Cube, and Foveros platforms to deliver turnkey solutions. Traditional OSATs respond with USD 3-billion capital plans for 2.5D and 3D lines, plus capacity-reservation programs that resemble long-term partnerships.

Integrated device manufacturers favor in-house packaging for proprietary products but admit escalating capital burden. Intel plans to outsource 30% of packaging volume by 2027, focusing internal lines on leading-edge stacks. Hyperscalers such as Amazon Web Services and Google Cloud now co-finance capacity, blurring the boundary between customer and supplier. The semiconductor packaging market landscape, therefore, spans pure-play OSATs, vertically integrated foundries, and hybrid consortia.

By End-User Industry: Automotive Surges Past Consumer Growth

Consumer electronics retained 43.49% of demand in 2025, yet smartphone unit shipments have plateaued at around 1.2 billion annually. Automotive and mobility solutions will grow at 11.43% through 2031, fueled by sensor fusion, lidar, and high-temperature power modules. Each electric-vehicle traction inverter consumes multiple silicon-carbide modules that require ceramic packages with thermal conductivity exceeding 250 W/m·K.

Computing and data-center devices command the highest average selling prices, with AI accelerators exceeding USD 30,000 per unit. Aerospace, medical, industrial, and energy segments rely on high-reliability, long-qualification packages rather than bleeding-edge performance. As these verticals stabilize demand, the semiconductor packaging market gains resilience against smartphone cyclicality.

Complete Report Scope:

Geography Analysis

Asia-Pacific controlled 66.89% of the semiconductor packaging market in 2025, anchored by Taiwan’s leadership in flip-chip and fan-out processing and China’s scale in mainstream assembly. Export controls enacted in October 2024 continue to limit mainland access to state-of-the-art tools, prompting domestic players to adopt hybrid-bonding workarounds that sacrifice yield for autonomy. South Korea’s Samsung and SK Hynix vertically integrate memory packaging, while Japan’s Shinko Electric and Ibiden dominate high-layer-count substrate fabrication.

North America’s share is rising as CHIPS Act incentives underwrite new lines in Arizona, New Mexico, Texas, and Ohio. Amkor’s USD 2-billion plant in Arizona and Intel’s packaging expansions bring advanced capability within the region, supporting defense and automotive security requirements. Europe remains smaller but is set to double capacity by 2030 through the EU Chips Act, with Germany’s Dresden cluster leading investment.

The Middle East exhibits the fastest regional CAGR at 11.29% as Saudi Arabia’s Public Investment Fund and the United Arab Emirates’ Mubadala channel oil revenues into semiconductor diversification. Greenfield assembly and test lines scheduled for 2027–2028 will target consumer and automotive modules before progressing to advanced interposers. South America and Africa maintain niche participation, focusing on wire-bond and leadframe services for localized industrial demand.

Competitive Landscape

The semiconductor packaging industry is moderately concentrated: the top 10 suppliers hold roughly 55% of global revenue. ASE Technology Holding, Amkor Technology, and JCET Group anchor the OSAT segment, whereas TSMC, Samsung, and Intel provide fully integrated wafer-to-package services. Strategy divergence is pronounced. Foundries leverage process control and customer lock-in, OSATs scale capacity across multiple regions, and hyperscalers increasingly co-invest to secure long-term output.

Technology differentiation now hinges on bump pitch, warpage control, and thermal management. Leaders in sub-10-micron hybrid bonding can claim an 80% yield, a threshold that laggards struggle to meet. Intellectual property intensity is rising: the United States Patent and Trademark Office recorded a 35% year-over-year increase in 2024 packaging-related filings, with Intel, TSMC, and Samsung each submitting more than 200 patents.

Substrate shortages and thermal constraints spawn collaboration across the value chain. Cloud providers fund ABF capacity to mitigate supply bottlenecks, and substrate vendors form joint ventures to diversify geographic exposure. Standardization under the Universal Chiplet Interconnect Express consortium, which grew to 120 members by late 2025, suggests that long-term competitive advantage will shift from proprietary interconnects to ecosystem integration.

Recent Industry Developments

• December 2025: TSMC announced a USD 5 billion CoWoS capacity expansion in Taiwan, adding 50% output by mid-2027.
• November 2025: Samsung Electronics began volume production of X-Cube 3D packaging at Pyeongtaek, achieving sub-10-micron hybrid-bonding pitch.
• October 2025: Amkor Technology and TSMC signed a 10-year capacity reservation agreement covering Amkor’s Arizona facility.
• September 2025: ASE Technology Holding committed USD 500 million to panel-level fan-out capacity in Taiwan, targeting IoT devices.

List of Companies Covered in this Report:

• ASE Technology Holding Co., Ltd.
• Amkor Technology, Inc.
• JCET Group Co., Ltd.
• Siliconware Precision Industries Co., Ltd.
• Powertech Technology Inc.
• Tianshui Huatian Technology Co., Ltd.
• UTAC Holdings Ltd.
• ChipMOS Technologies Inc.
• Chipbond Technology Corp.
• Intel Corporation
• Samsung Electronics Co., Ltd.
• Taiwan Semiconductor Manufacturing Co. Ltd.
• Micron Technology, Inc.
• Texas Instruments Inc.
• Advanced Micro Devices, Inc.
• Hana Micron Inc.
• Nepes Corporation
• TongFu Microelectronics Co., Ltd.
• Shinko Electric Industries Co., Ltd.
• Unisem (M) Berhad

Additional Benefits:

• The market estimate (ME) sheet in Excel format
• 3 months of analyst support

Table of Contents

1 INTRODUCTION
1.1 Study Assumptions and Market Definition
1.2 Scope of the Study

2 RESEARCH METHODOLOGY

3 EXECUTIVE SUMMARY

4 MARKET LANDSCAPE
4.1 Market Overview
4.2 Market Drivers
4.2.1 AI Accelerator Boom Driving 2.5D/3D Interposers
4.2.2 Electrified Vehicle Power Packages in United States and Asia
4.2.3 US-EU CHIPS Incentives Creating Local Back-End Fabs
4.2.4 5G RF-SiP Demand in China and Korea
4.2.5 Panel Level Packaging for Ultra-Low-Cost IoT
4.2.6 Chiplet Architectures Powering High-Density Interposers
4.3 Market Restraints
4.3.1 ABF Substrate Supply Crunch (Taiwan/Japan)
4.3.2 Yield Challenges in 3D TSV/Hybrid Bonding
4.3.3 Export Controls on Advanced Packaging Tools to China
4.3.4 Thermal Dissipation Limits in Fan-Out WLP at below 5 nm
4.4 Industry Value Chain Analysis
4.5 Regulatory Outlook
4.6 Impact of Macroeconomic Factors on the Market
4.7 Technological Outlook
4.8 Porter’s Five Forces Analysis
4.8.1 Bargaining Power of Suppliers
4.8.2 Bargaining Power of Buyers
4.8.3 Threat of New Entrants
4.8.4 Threat of Substitutes
4.8.5 Intensity of Competitive Rivalry
4.9 Industry Capacity and Investment Trend Analysis
4.10 Pricing Analysis

5 MARKET SIZE AND GROWTH FORECASTS (VALUE)
5.1 By Packaging Platform
5.1.1 Advanced Packaging
5.1.1.1 Flip-Chip
5.1.1.2 Fan-Out WLP
5.1.1.3 Fan-In WLP
5.1.1.4 2.5D / 3D IC
5.1.1.5 Embedded-Die
5.1.1.6 SiP / PoP
5.1.1.7 Panel-Level Packaging
5.1.2 Traditional Packaging
5.1.2.1 Wire-Bond
5.1.2.2 Leadframe
5.1.2.3 QFN / QFP / SOP
5.2 By Packaging Material
5.2.1 Organic Substrates
5.2.2 Leadframes
5.2.3 Bonding Wires
5.2.4 Encapsulation Resins
5.2.5 Ceramic Packages
5.2.6 Solder Balls and Bumps
5.2.7 Die-Attach and TIMs
5.3 By Wafer Size
5.3.1 Below 200 mm
5.3.2 300 mm
5.3.3 Above 450 mm / Panel
5.4 By Business Model
5.4.1 OSAT
5.4.2 Foundry Back-End
5.4.3 IDM In-house
5.5 By End-user Industry
5.5.1 Consumer Electronics
5.5.1.1 Smartphones and Wearables
5.5.1.2 PCs, Tablets, and Consumer Devices
5.5.2 Computing and Data Center
5.5.3 Automotive and Mobility
5.5.4 Communications and Telecom
5.5.5 Aerospace and Defense
5.5.6 Medical and Healthcare Devices
5.5.7 Industrial and Energy (LED / Power)
5.6 By Geography
5.6.1 North America
5.6.1.1 United States
5.6.1.2 Canada
5.6.1.3 Mexico
5.6.2 Europe
5.6.2.1 Germany
5.6.2.2 United Kingdom
5.6.2.3 France
5.6.2.4 Rest of Europe
5.6.3 Asia-Pacific
5.6.3.1 China
5.6.3.2 Japan
5.6.3.3 India
5.6.3.4 South Korea
5.6.3.5 Taiwan
5.6.3.6 Rest of Asia-Pacific
5.6.4 Rest of the World

6 COMPETITIVE LANDSCAPE
6.1 Market Concentration
6.2 Strategic Moves
6.3 Market Share Analysis
6.4 Company Profiles (includes Global Level Overview, Market Level Overview, Core Segments, Financials as Available, Strategic Information, Market Rank/Share, Products and Services, Recent Developments)
6.4.1 ASE Technology Holding Co., Ltd.
6.4.2 Amkor Technology, Inc.
6.4.3 JCET Group Co., Ltd.
6.4.4 Siliconware Precision Industries Co., Ltd.
6.4.5 Powertech Technology Inc.
6.4.6 Tianshui Huatian Technology Co., Ltd.
6.4.7 UTAC Holdings Ltd.
6.4.8 ChipMOS Technologies Inc.
6.4.9 Chipbond Technology Corp.
6.4.10 Intel Corporation
6.4.11 Samsung Electronics Co., Ltd.
6.4.12 Taiwan Semiconductor Manufacturing Co. Ltd.
6.4.13 Micron Technology, Inc.
6.4.14 Texas Instruments Inc.
6.4.15 Advanced Micro Devices, Inc.
6.4.16 Hana Micron Inc.
6.4.17 Nepes Corporation
6.4.18 TongFu Microelectronics Co., Ltd.
6.4.19 Shinko Electric Industries Co., Ltd.
6.4.20 Unisem (M) Berhad

7 MARKET OPPORTUNITIES AND FUTURE OUTLOOK
7.1 White-Space and Unmet-Need Assessment

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