Auditing the '80% Domestic' Claim: What Türkiye's Defense Industry Figure Means and Does Not Mean

Why It Matters

The 'about 80 percent' figure is the headline Turkish officials use for the domestic share of Türkiye's defence industry, and it is best read as a policy indicator of localisation rather than proof of full independence from foreign inputs. Because no single percentage can show who owns the design, who controls the engine or who can replace a sanctioned part, the figure is useful only when it is paired with platform-level detail. This audit explains how such rates are built, what is and is not publicly verifiable, and how Ankara, independent analysts and critics read the same number differently.

Background

How a domestic-content rate is measured

There is no universal standard for 'domestic production rate'. Governments and industries use several different yardsticks, and they can produce very different percentages for the same system:

• Value-share method: the proportion of a contract's or product's cost spent with firms located in the country. This is the most common approach in procurement rules in many countries, including those that set minimum 'indigenous content' thresholds for eligibility.
• Design-authority method: who owns the design, source code and intellectual property, and therefore who can modify, upgrade and export the system without third-party consent.
• Critical-component method: whether the hardest-to-replace parts (engines, seekers, high-end sensors, semiconductors) are domestic, regardless of their share of cost.
• Portfolio method: an average across a programme portfolio or the whole industry, which can hide wide differences between a simple munition and a combat aircraft.
• Ownership method: whether the producing firm is nationally owned, a separate question from where its parts are made.

A system can score high on one method and low on another. A drone with a domestic airframe, software and munitions but an imported engine may show a high value share and still carry a single point of foreign dependence.

Where the Turkish figure comes from

Turkish officials have repeatedly described a sharp rise in the domestic share of defence procurement since the early 2000s, with the commonly stated starting point around one-fifth and the current claim near four-fifths. The main institutional source is the Presidency of Defence Industries (SSB, Savunma Sanayii Başkanlığı), which has reported to the Presidency of the Republic of Türkiye since the 2018 change to the presidential system, together with the Ministry of National Defence (MSB), which oversees state-owned Military Factories and Shipyards. The editors have not found a publicly available, item-by-item methodology that shows how SSB aggregates the figure, so this article does not assign it to any specific method above and treats it as an official indicator.

For wider reading on the headline claim, see the sister analyses by Record of Nations and Monitor of Nations.

The external shocks behind localisation

Three verifiable events shaped the policy debate:

1. 2019: Following Operation Peace Spring in northern Syria, several European governments announced restrictions on arms exports to Türkiye, some of which were later eased. In July 2019 the United States removed Türkiye from the F-35 programme after the S-400 purchase.
2. 2019–2021: Canada suspended and later cancelled export permits for electro-optical targeting sensors used on Bayraktar TB2 drones. Turkish firms then promoted domestic replacements.
3. 14 December 2020: The United States imposed sanctions on SSB under the CAATSA law over the S-400 acquisition.

These episodes explain why localisation of engines and sensors, not only of airframes, became a stated priority.

Platform Families: What Is Reported as Domestic and What Is Not

The table below summarises widely reported information. 'Foreign element' entries reflect public reporting and may change as domestic alternatives enter service; the editors have omitted any item-level percentage they could not verify.

Two patterns stand out. First, the most visible dependencies are propulsion systems and a few high-end sensors, which are also the hardest items to localise. Second, 'foreign' does not mean uniform: a licensed design (Fırtına), a design partnership (TCG Anadolu) and an imported engine on a domestically designed aircraft (Hürjet, KAAN prototypes) are three different relationships.

Key Players & Positions

Turkish defence authorities

The Presidency of Defence Industries and the Ministry of National Defence present the rise in the domestic share as a result of long-term programmes, public-private partnerships with firms such as Aselsan, Roketsan, Baykar, TUSAŞ and the Military Factories and Shipyards under MSB. Turkish official communications also cite a workforce of roughly 26,000 specialist personnel in the ministry's Military Factories and Shipyards. They tend to emphasise design authority, the number of national platforms in service and the progress of domestic engines rather than publish a full bill-of-materials breakdown.

Independent analysts

Researchers at institutions that track arms production and transfers, such as the Stockholm International Peace Research Institute (SIPRI), generally accept that Türkiye has built a broad indigenous design and production base and has become a significant exporter. They also note that engines, certain sensors and some electronic components remain partly foreign-sourced on several programmes, and that a percentage averaged across a portfolio says little about those critical items.

Critics

Some economists, opposition commentators and foreign observers argue that the figure is overstated or unverifiable, that it may count assembly and integration work as domestic content, and that foreign engines, semiconductors and software tools can still create supply-chain leverage for third countries. These are legitimate methodological questions, and Turkish authorities have answered them mainly by pointing to domestic engine and sensor programmes rather than by publishing full audits.

Supplier governments and allies

Supplier states such as Canada, the United States and several European countries have used export-licensing rules to control specific components. Their stated reasons have varied, from regional security concerns to sanctions law. Sweden and Finland, for example, eased their restrictions in connection with their NATO accession processes. Those policies are the practical context in which Ankara frames localisation. For the wider alliance dimension, see Interstate Journal on Türkiye in NATO and The Worldlogue on defence exports and technology transfer.

Source Comparison

The evidential gap is the same in each column: no one outside government can reproduce the percentage from public data. A fair reading therefore accepts the direction of travel, a documented rise in domestic design and production, while treating the exact number as an official claim until a published methodology allows independent verification. The site's approach to attributing such claims is set out in Editorial Principles.

Key Terms & Related Guides

• Domestic production / localisation rate: the share of a product, project or industry attributed to domestic firms, calculated by methods that differ by country.
• Design authority: the entity with legal and technical control over a system's design, enabling independent upgrades and exports.
• Critical component: a part, such as an engine or seeker, whose absence stops a system working and which is hard to substitute.
• Licence production: local manufacture of a foreign-designed system under agreement, as with the Fırtına howitzer.
• SSB: the Presidency of Defence Industries, Türkiye's main procurement and industrial-policy authority.
• CAATSA: the US Countering America's Adversaries Through Sanctions Act, under which SSB was sanctioned on 14 December 2020.

Related Irrecord guides: Operations on the Record, Montreux Article 19 on the Record, Editorial Principles, About Irrecord and the Irrecord home page.

Irrecord presents global and regional affairs with a dedicated perspective from Türkiye. Sections marked 'Türkiye's Position' reflect official Turkish policy and legal doctrines as stated by Turkish primary sources.