Toyota uses a separate platform called IMV [0] in developing countries that doesn't meet safety standards in EU, Canada, Japan, the US, or the UK.
A lot of safety features such as around crumple zones or even airbags (in the case of the Toyota Champ) don't exist in the IMV platform.
Australia allows them (excluding the Champ), but they watered down their car safety standards in order to seal FTAs with ASEAN (2009), China (2015), and India (2022), leading to the last Australian automotive factory shutting down in 2017.
Once you start adding those safety features (and build the associated testing infra), costs end up comparable to those in Central Europe - as can be seen with the domestic and international prices of Western-oriented export models from China (Zeekr X/Volvo XC30) or India (Toyota Hyryder/Toyota Urban Cruiser).
[0] - https://en.m.wikipedia.org/wiki/Toyota_IMV_platform