Lorde recalled that when she was 15 she would not have known how to call a representative or protest efficiently - yet it was commonplace now.
"Every kid in the world can discuss names/specifics of this administration in the way that young people once broke down boy bands/TV shows."
She said "cathartic pop" was necessary in these times.
"After a horrifying, anxiety-inducing week of news, music like this allows much needed catharsis."
"You're probably guessing what kind of record I've made based on these tweets," another tweet said.
The tweets come after Trump's administration this week placed a temporary ban on people from some Muslim nations entering the country.
In November, she called Trump "artless" and "graceless" following the news that he had won the election.
