The value-added increase in the construction sector outdid other sectors over the last 15 years. Real value-added created by 81 provinces between 2004-2019 increased by 106.3%, while the increase in construction was 160.2%, according to the Turkish Statistical Institute’s Gross Domestic Product (GDP) by Provinces Valueadded increased by 116.3% in manufacturing and 105% in the services sector. Value-added created by agriculture stood at 55%. Representing 32% of Turkey’s GDP, the construction sector’s value-added grew by 182% in Istanbul, while growth in services was 129%. Value-added created by manufacturing in Istanbul stood at 78%, below Turkey’s average. Agriculture-based valueadded created by Istanbul in 2019 dropped by 20% compared to 2004. Gaziantep, which is among the ten largest cities that make up 66% of Turkey’s total GDP, had the highest increase in value-added in construction and manufacturing with 278% and 174% respectively, while Igdir took the lead in agriculture, with an increase of 251%. The top three cities in valueadded increase in services were Gaziantep, Antalya, Istanbul.