gekahortor/Healthcare-Accessiblity-Analysis

This is an analysis to derive the percentage of population in the Greater Accra Region within an 8-minute travel time to healthcare facilities # 🏥 Healthcare Accessibility in Greater Accra > **Project Summary** > > This project analyzes healthcare accessibility across the **Greater Accra Region of Ghana** by estimating the population that can reach a healthcare facility within an **8-minute travel time** using road network analysis. --- ## 📊 Key Results Using **274 healthcare facilities**, OpenStreetMap road data, and **WorldPop (2020)** population data, the analysis found: | Accessibility | Population | Share | | ------------------- | ------------: | ---------: | | 🟢 Within 8 minutes | **4,405,459** | **82.38%** | | 🔴 Beyond 8 minutes | **942,344** | **17.62%** | | **Total** | **5,347,803** | **100%** | ### Key takeaway **82.38% of the Greater Accra population can reach a healthcare facility within 8 minutes, while 17.62% remain outside the accessibility threshold.** --- ## 🛠️ Methodology The analysis followed a geospatial accessibility workflow: 1. **Healthcare & Road Data** * Retrieved healthcare facilities and road network data using **OSMnx**. 2. **Spatial Data Preparation** * Cleaned and reprojected spatial datasets to **EPSG:32630**. 3. **Travel-Time Modeling** * Calculated road travel speeds and estimated travel times across the road network. 4. **Isochrone Analysis** * Generated **8-minute travel-time isochrones** around healthcare facilities. 5. **Population Analysis** * Clipped **WorldPop 2020** population data to the Greater Accra Region. 6. **Accessibility Estimation** * Estimated the population **within and outside** the 8-minute healthcare accessibility zones. --- ## 🔍 Key Findings ### 🟢 High Overall Accessibility Out of a total population of **5,347,803**, approximately **4.4 million residents** have access to a healthcare facility within an 8-minute travel time. ### 🔴 Persistent Accessibility Gap Approximately **942,000 residents** live beyond the 8-minute accessibility threshold, representing **17.62% of the regional population**. # …