Estimating Unused Vouchers in Circulation in Ireland

1. Gift Cards:
   • Market Size: Estimated at €600 million annually.
   • Unused Percentage: Around 4%. \[ €600 \, \text{million} \times 0.04 = €24 \, \text{million} \]
2. Discount Coupons and Promotional Codes:
   • Market Size: Estimated at €300 million.
   • Unused Percentage: Approximately 10%. \[ €300 \, \text{million} \times 0.10 = €30 \, \text{million} \]
3. Travel and Meal Vouchers:
   • Market Size: Estimated at €100 million.
   • Unused Percentage: Approximately 5%. \[ €100 \, \text{million} \times 0.05 = €5 \, \text{million} \]

Total Estimate:

• Sum of Estimates: \[ €24 \, \text{million} + €30 \, \text{million} + €5 \, \text{million} = €59 \, \text{million} \]

Conclusion:

The estimated value of unused vouchers in circulation in Ireland is around €59 million.