Americans are doing worse in verbal reasoning, mathematical reasoning and letter and number series than a decade ago:
https://www.popularmechanics.com/science/a43469569/american-iq-scores-decline-reverse-flynn-effect/
Study:
https://reader.elsevier.com/reader/sd/pii/S0160289623000156?token=9C5850D1AD3208980A21E25105FA893ECC130F5D59CC22015A20C28CCA2089D6A38232D60B29BAAD36422AC1F5D5C7B1&originRegion=us-east-1&originCreation=20230309220435