Population growth has reduced per capita water availability by approximately 20% over the past 25 years. This places Türkiye firmly in the category of water-stressed countries, edging toward scarcity.
Türkiye’s relationship with water has long been shaped by geography. It is a country of contrasts, where fertile plains coexist with semi-arid interiors. For decades, this diversity sustained a sense of relative abundance. Today, it is becoming a defining constraint on the country’s development.
Over the past thirty years, Türkiye’s water balance has tightened in both measurable and visible ways. Population growth has reduced per capita water availability by approximately 20% over the past 25 years. This places Türkiye firmly in the category of water-stressed countries, edging toward scarcity. The change is evident in shrinking lakes, declining groundwater levels, and reservoirs that no longer refill as reliably as they once did.
Climate change is intensifying these pressures. Rainfall patterns have become more erratic, temperatures are rising, and evaporation rates are increasing. In a system that depends largely on domestic precipitation and river flows, this volatility matters. Türkiye cannot rely on external water sources to offset these shifts. Its water future will be determined largely by its own climate realities.
Nowhere are these pressures more pronounced than in agriculture. Farming accounts for roughly 75% of total water use, making it both the backbone of the nation’s food production and the primary focal point of water stress. Much of Türkiye’s agriculture depends on irrigation, particularly in semi-arid regions. However, a dangerous cycle has emerged; as temperatures rise, crops require more water to thrive, and as rainfall becomes more erratic, the demand for irrigation increases further. This leads to heavy reliance on groundwater. In many agricultural basins, falling water tables are not just an abstract data point; they are actively reshaping the landscape, causing sinkholes and threatening long-term agricultural viability.
In contrast, access to drinking water remains, for now, a success story. Nearly the entire population has access to improved water sources, and urban infrastructure is relatively well developed. Yet the recent droughts have exposed vulnerabilities even in major cities, such as the capital, Ankara, where declining reservoir levels brought the prospect of water restrictions into focus last summer. As climate variability increases, such episodes are likely to become more frequent.
Türkiye’s water supply depends primarily on rivers, reservoirs, and groundwater, all closely tied to climatic conditions. Groundwater, once a dependable buffer, is being depleted faster than it can recharge in several regions. Surface water is increasingly subject to seasonal fluctuations, while pollution further reduces the usable supply. Climate change, population growth, urbanization, and inefficiencies in water use are now converging, amplifying overall risk.
Historically, Türkiye’s policy response has been to build dams, extend irrigation networks, and tap into new sources. While these measures were essential for past growth, they are no longer sufficient in a context of increasing climatic uncertainty.
Stabilizing precipitation patterns, reducing evaporation losses through modern farming techniques, and protecting local ecosystems would all help ease pressure on resources. There is a concerted national push to replace open-channel flooding with drip and closed-circuit irrigation. Drought management and basin-level planning are gaining ground, moving away from fragmented, local-only policies. Cities are beginning to explore seawater desalination and mandatory rainwater harvesting for new large-scale constructions.
Türkiye is not yet a water-scarce country, but it is moving in that direction. Whether this becomes a crisis or an opportunity for innovation will depend on how effectively the country aligns climate action with fundamental water management and agricultural reform.
This Post was submitted by Climate Scorecard Türkiye Country Manager, Ipek Tasgin.