Waste, 3rd quarter 2025

Much less waste collected, but more planned for recycling

In the third quarter, in total less waste was collected, mainly due to a decrease in the amount of construction waste. More waste was planned for recycling, but significantly less for backfilling. Among separately collected municipal waste, the largest share was biodegradable waste.

  • 4 December 2025 at 10:30
  • |
  • provisional data
Key statistics

Compared to the 3rd quarter of 2024:

  • 30% less waste collected in total
  • 9% less municipal waste collected
  • 15% more waste planned for recycling
  • Over a third less waste planned for backfilling
  • Almost a quarter less municipal waste planned for landfilling

Significantly less waste planned for backfilling

In total, just over 2.4 million tonnes of waste was collected, or almost 30% less than in the same period last year. Of this, more than three quarters or 1.9 million tonnes was construction waste. Its amount decreased by a third. 676,000 tonnes of waste was planned for recycling or almost 15% more than in the same period last year. Of this, both the amount of waste recovered in biogas plants and in compost plants decreased by more than 17%. A little less than 33,000 tonnes or 15% less waste was intended for energy recovery. The amount of waste planned to be backfilled decreased by 35% to around 1.2 million tonnes. About 41,000 tonnes of waste was planned for disposal at landfills, which is almost the same as in the same period last year. Of this, the amount of landfilled municipal waste decreased by almost a quarter.

Among separately collected municipal waste, largest share of biodegradable waste

Between July and September, about 254,000 tonnes of municipal waste was collected, or 9% less than in the same period last year. Among these, the largest amount was mixed municipal waste (58,000 tonnes), which decreased by almost 2%. The largest decrease (by 38%) was recorded among bulky waste, followed by paper and paper packaging (by 16%), biodegradable waste (by almost a tenth), and wood and wooden packaging (by 8%).

In total, almost 77% of municipal waste was collected separately, which is 2 percentage points less than in the third quarter of 2024. Among these, the largest share (a quarter) was biodegradable waste, 22% was paper and cardboard, and 15% was mixed and composite packaging.

Table with the latest data is available in the SiStat Database.


Waste flow, Slovenia
Q3 2024Q3 2025 Q3 2025 
Q3 2024
tgrowth rate (%)
Collected waste3,462,6882,436,156-30
  of which municipal278,461253,577-9
Planned for recovery2,476,2451,912,073-23
  of which for recycling589,046676,18015
  of which for incineration – use as fuel38,72032,730-15
  of which for backfilling1,848,4791,203,162-35
Planned for disposal81,12796,25819
  of which for landfilling41,48841,240-1
Recovery and disposal of waste include amounts of waste planned for final treatment operations.
METHODOLOGICAL NOTE
Additional explanations are available in the methodological explanations.
When making use of the data and information of the Statistical Office of the Republic of Slovenia, always add: "Source: SURS". More: Copyright.