The annual airport infrastructure investment in Portugal was 96.7 million Euros in 2023. Between 1995 and 2023, the investment rose by 29.7 million Euros, though the increase followed an uneven trajectory rather than a consistent upward trend.
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OECD. (September 3, 2025). Annual airport infrastructure investment in Portugal from 1995 to 2023 (in millions) [Graph]. In Statista. Retrieved May 07, 2026, from https://www.statista.com/statistics/439501/investment-in-airport-infrastructure-in-portugal/
OECD. "Annual airport infrastructure investment in Portugal from 1995 to 2023 (in millions)." Chart. September 3, 2025. Statista. Accessed May 07, 2026. https://www.statista.com/statistics/439501/investment-in-airport-infrastructure-in-portugal/
OECD. (2025). Annual airport infrastructure investment in Portugal from 1995 to 2023 (in millions). Statista. Statista Inc.. Accessed: May 07, 2026. https://www.statista.com/statistics/439501/investment-in-airport-infrastructure-in-portugal/
OECD. "Annual Airport Infrastructure Investment in Portugal from 1995 to 2023 (in Millions)." Statista, Statista Inc., 3 Sep 2025, https://www.statista.com/statistics/439501/investment-in-airport-infrastructure-in-portugal/
OECD, Annual airport infrastructure investment in Portugal from 1995 to 2023 (in millions) Statista, https://www.statista.com/statistics/439501/investment-in-airport-infrastructure-in-portugal/ (last visited May 07, 2026)
Annual airport infrastructure investment in Portugal from 1995 to 2023 (in millions) [Graph], OECD, September 3, 2025. [Online]. Available: https://www.statista.com/statistics/439501/investment-in-airport-infrastructure-in-portugal/
