The TTDI covers 119 economies. Economies that were covered in the TTDI 2021 but are not covered in the TTDI 2024 are Cape Verde, Chad, Hong Kong SAR, Lesotho and Yemen. Economies added to the 2024 TTDI are Algeria, Barbados, Iran, Jamaica, Oman, Uzbekistan and Zimbabwe.
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Newly ranked Uzbekistan experienced the greatest growth in TTDI scores between 2019 and 2024.
