what impact does it have?
It has influenced a similar phrase used in the Tok Pisin language in Papua New Guinea.
No worries
The phrase has influenced a similar phrase used in the Tok Pisin language in Papua New Guinea. "No worries" utilization migrated to New Zealand after origination in Australia. 
where does the term no worries come from It is an Australian English expression. what does it mean? "Do not worry about that".
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No worries [SEP] Introduction
Its usage became more common in British English after increased usage in Australian soap operas that aired on television in the United Kingdom. Linguistics experts are uncertain how the phrase became utilized in American English; theories include use by Steve Irwin on the television program "The Crocodile Hunter" and usage by the United States media during the 2000 Sydney Olympics. It has also gained usage in Canadian English .