This is always an interesting and increasingly important question.
At the end of the day what matters is in the actual crash, but obviously once seeks to predict crash behaviour with standardardized tests, so at least one can make comparisons among different models.
EuroNCAP has made its test test programme more stringent and still a surprising range of cars are now scoring the 5-star max.
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Even French and (deep breath) Japanese cars are featuring....
But lots more needs to be done for pedestrian safety.
The URL given links to latest results, but the left sidebar gives access to all results.
The thing I wonder about in all the tests is whether three readings are taken (i.e. 3 similar cars crashed) to comply with good experimental practice.
DAS
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