Cost of Living Comparison Between Tbilisi and Portmarnock
For one person, living is cheaper in Tbilisi: $1,269 a month against $2,718 in Portmarnock, rent and utilities included – about $17,400 less a year. Rent and utilities account for most of the difference.
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Tbilisi Living Index61Cost of Living Index in TbilisiLearn more -
Portmarnock Living Index126Cost of Living Index in PortmarnockLearn more
How much you'll spend in Tbilisi and in Portmarnock
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Tbilisi and in Portmarnock actually costs, broken down by who's living it.
A single person spends $1,269 per month in Tbilisi vs $2,718 in Portmarnock, rent included.
- Tbilisi $1,269
- Portmarnock $2,718
A couple spends around $2,016 per month in Tbilisi vs $3,817 in Portmarnock, rent included.
- Tbilisi $2,016
- Portmarnock $3,817
A family of three spends $2,763 per month in Tbilisi vs $4,915 in Portmarnock, rent included.
- Tbilisi $2,763
- Portmarnock $4,915
Tbilisi is about 53% cheaper than Portmarnock, and outside of rent the biggest gap is in eating out.
Tbilisi sits 7% below the global median, while Portmarnock is 100% above – they fall on opposite sides of the world average.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Tbilisi: October 27, 2026
Last update for Portmarnock: October 24, 2026
Categories marked with * are only partly priced – their share counts the items that do have prices.
Categories marked with * are only partly priced – their share counts the items that do have prices.
Cost Breakdown
A central one-bedroom costs $695 in Tbilisi versus $1,441 in Portmarnock. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.
A mid-range dinner for two costs $38 in Tbilisi versus $101 in Portmarnock. Monthly groceries follow the same trend: $234 vs $336 – making Tbilisi the more affordable choice for daily food spending.
- Tbilisi Portmarnock 3,940 km ≈ 5 h nonstop flight
- Tbilisi
- Portmarnock
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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