Safety includes front-, side- and oblique-impact test scores.
Ease of use assesses ease of securing the seat in the vehicle, securing the child in the seat and the quality of the labelling and instructions.
Price is the recommended retail price or is from an online retailer.
Weight range shows the different weights the seat can carry in its different modes. The Australian standard takes 26kg as the maximum weight for a booster.
About the 2 international testing programmes
Convertible rear/forward-facing seats and forward-facing/booster seats can be used in different modes which offer different levels of impact protection. To simplify matters, we’ve given scores for each seat in its weakest mode.
The Australian tests are performed by the Child Restraint Evaluation Program (CREP). The programme puts the seats through a front-impact test at 56km/h, and side- and oblique-impact tests at 32km/h. Each seat is also assessed for ease of correct use. The Australian test results are freely available on the CREP website. Child seats are rated on a 5-point scale: "meets the Australian/New Zealand standard", "average", "above average", "good" and "excellent".
The European tests are carried out by ICRT, the international consumer testing organisation. ICRT puts the seats through front- and side-impact tests at 71 and 28km/h respectively. The seats are also assessed for ease of use and ergonomics. Seat parts that come in contact with the child are screened for substances such as phthalates, heavy metals and flame retardants.
The overall score is determined by safety as well as ease of use and ergonomics. The score for harmful substances only affects the overall score if a harmful substance is present above test limits. ICRT rates seats on a 5-point scale: "poor", "bare minimum", "satisfactory", "good" and "very good".