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Description
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A comprehensive, machine-readable corpus of 132 international investment agreements of the Republic of Türkiye (1962–2025; treaties signed between 1962 and April 2024, treaty-status metadata tracked through 31 December 2025), including 130 bilateral investment treaties (BITs), one multilateral investment agreement (ECO Member States, 2005), and one memorandum of understanding (Islamic Development Bank, 2013).
This is the first dataset to compile the complete text and structured metadata of Türkiye's entire investment treaty network in a single, open-access resource. While the UNCTAD Investment Policy Hub covers Turkish BITs only partially, with several treaties missing, incomplete metadata, and no clause-level coding, this corpus provides full coverage of all 132 agreements with cleaned texts, article-by-article extracts, and systematic coding against 140 variables (100 UNCTAD IIA Mapping Project variables plus 18 custom additions and 22 metadata fields).
The dataset introduces the Pehlivan FPS Typology, a novel classification of Full Protection and Security (FPS) clauses into seven categories: Types A, B, C, D, E, F, and G.
Key findings
- No FPS clause: 48 treaties, representing 36.4% of the corpus, contain no FPS clause at all. This Type G category is the largest single category in Türkiye's BIT network.
- Post-2010 shift to Type C: the minimum-standard-of-treatment + FET + FPS formulation dominates post-2010 treaties with 32 agreements (24.2%), reflecting Türkiye's clear shift toward a new model BIT template anchored in customary international law.
- Type B (FET + FPS): 29 treaties (22.0%), concentrated in the 1990s–2000s liberalization and EU harmonization periods.
- Structural evolution: the FPS clause migrates across treaty generations, Article 2 in older treaties, Article 3 in mid-period treaties, and Article 4 ("Minimum Standard of Treatment") in the newest generation.
- Post-2020 narrowing: several recent treaties (Uruguay 2022, Venezuela 2023, UAE 2023) explicitly define FPS as "physical protection and security" or "police protection required under customary international law", limiting FPS to physical security only.
- No binding ESG obligations: across six decades, no treaty contains substantive or enforceable environmental, sustainability, labour, or corporate social responsibility obligations. ESG-related language appears only at a non-binding level (preambular aspirations, not-lowering-of-standards clauses, or general exceptions); in total, 54 treaties contain at least one such provision, with the most substantive language concentrated in post-2010 treaties adopting US-model preamble wording.
- The combination rule matters: FET and FPS are classified as "combined" only when they appear in the same article, back-to-back. This revealed that treaties previously assumed to follow the same model (e.g., France 2006, Sweden 1997) actually use standalone FPS clauses (Type A) because FET appears in a separate article.
Treaty coverage by generation
- Gen 1 (1962–1985), 2 treaties: Germany, United States.
- Gen 2 (1986–1998), 54 treaties: Netherlands, Benelux, Bangladesh, Switzerland, Austria, Kuwait, Denmark, China, USSR, Romania, United Kingdom, Korea, Tunisia, Japan, Hungary, Kyrgyzstan, Uzbekistan, Czech Republic, Kazakhstan, Turkmenistan, Argentina, Albania, Georgia, Finland, Jordan, Azerbaijan, Moldova, Bulgaria, Lithuania, Spain, Pakistan, Italy, North Macedonia, Belarus, Croatia, Israel, Tajikistan, Egypt, Nigeria, Ukraine, Iran, Latvia, Morocco, Sweden, Estonia, Indonesia, Russian Federation, Cuba, Bosnia and Herzegovina, Malaysia, Mongolia, Algeria, Chile, India.
- Gen 3 (1999–2009), 27 treaties: Philippines, Sudan, Greece, South Africa, Yemen, Ethiopia, Portugal, Yugoslavia, Qatar, Slovakia, Malta, Syria, Afghanistan, Australia, Thailand, ECO, UAE, Bahrain, Kosovo (UNMIK), France, Saudi Arabia, Oman, Singapore, Romania, Czech Republic, Slovakia, Libya.
- Gen 4 (2010–2024), 49 treaties: Kuwait, Senegal, Nigeria, Tanzania, Azerbaijan, Montenegro, Bangladesh, Cameroon, Pakistan, Kosovo, Gabon, Mauritius, IDB, Gambia, Guinea, Djibouti, Benin, Mexico, Viet Nam, Kenya, Sudan, Colombia, China, Guatemala, Côte d'Ivoire, Ghana, Jordan, Georgia, Rwanda, Moldova, Burundi, Ukraine, Uzbekistan, Tunisia, Serbia, Belarus, Mali, Kyrgyzstan, Zambia, Lithuania, Palestine, Cambodia, Congo, Uruguay, Serbia, UAE, Venezuela, Hong Kong, Iraq.
This is Dataset 1 of a three-dataset corpus: Dataset 2 (doi:10.18710/FPNLKS) codes each treaty against 118 substantive clause-level variables, and Dataset 3 (doi:10.18710/WA7HEO) maps textual similarity, treaty families, and drafting genealogy across the network. (2026-06-11)
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