Litter composition by volume
The graphs in this section show the composition of litter volume data recorded by the study in 2022-23, reported as the number of litres per 1000m2.
Most-littered items
The chart below shows the litter item types recorded by the KLIS in 2022–23, by volume.
Other food packages (e.g. soy fish bottles), water bottles (under 1 litre), and flavoured water, soft drink bottles (over 1 litre) are the top 3 most-littered item types, accounting for almost 30% of all litter volume.
The top 10 individual items account for 58% of all litter by volume.
Litter by category
The chart below shows the litter categories recorded by the KLIS in 2022–23, by volume.
Takeaway and beverage and miscellaneous plastic categories account for almost 72% of all litter by volume.
Litter by material
The chart below shows the material composition of the litter recorded by the KLIS in 2022–23, by volume. Almost 70% of the litter was plastic, compared to 87% in 2021–22. The next-largest category was paper/cardboard (12%), followed by metal (8%).