Cristiano Ronaldo’s international career with Portugal is up in the air after his final World Cup ended in heartbreak.Ronaldo, who is now 41 and the oldest player to ever feature and score in the knockout stages, is nearing the end of his career.Ronaldo’s sister made huge claims ahead of Portugal’s round of 32 tie against Croatia at the World CupAFPBut as he keeps scoring goals on his way to 1000, there is no guarantee that his full retirement is coming too soon.The Portugal icon has already confirmed this will be his last ever World Cup, however, will the conclusion of the tournament spell the end of his international career as a whole?Well, his sister appears to have given us an answer…When is Ronaldo retiring from Portugal? According to Ronaldo’s sister, Katia Aveiro, he will be retiring from international football after the World Cup. Aveiro revealed the news moments before A Selecao beat Croatia 2-1 in the round of 32 in Toronto, Canada, with Ronaldo scoring.His sister told Sport TV on Thursday: “Enjoy it while it lasts. It’s ending soon. The info I have, from a reliable source… this is his last dance.“I believe it’s not today that they’ll say goodbye, but it’s coming soon. I strongly believe this is the farewell.“So enjoy it a lot because it will be difficult to find someone after 200 goals. I’m talking about the Portuguese national team.”Ronaldo himself refused to confirm his plans after a 1-0 defeat to Spain in the last-16 means he will never lift the World Cup.Ronaldo’s World Cup story has come to its conclusionGettyRonaldo said, “I can’t confirm whether this was my last match for the national team or not. I don’t make my decisions in the heat of the moment or based on emotions. “That’s not what’s important right now….Yes, this was my last World Cup appearance. But now I will have time to think. “I am sad to leave the World Cup in this way. “But as I said yesterday in the press conference, I gave everything I had and did my very best, and I leave with a clear conscience.”Ronaldo added: “As long as I play, I will always have a very special feeling about representing the national team. “I have spent 23 years representing Portugal, with great joy and passion, and for me, playing for your country will always remain an unforgettable experience. “So, what happened at the end of the match was a mixture of some emotion, but also a feeling of relief and a clear conscience, because someone who gives everything they have cannot be blamed for anything.”Ronaldo scored three goals at the World Cup across five appearancesGettyRonaldo’s Portugal statsShould Ronaldo retire following the World Cup now that Portugal are out, he will end an international career that has lasted 23 years.He has made the most appearances of any player for any country on the international stage, with 233 caps to date.In those caps, he’s also netted an incredible 146 times, scoring his first World Cup knockout goal against Croatia on Thursday with a penalty.Ronaldo is Portugal’s all-time top scorer, clear by over 100 goals.For Portugal, the former Manchester United and Real Madrid superstar has also won three national titles. He’s lifted the European Championship and two Nations League trophies across his long, successful career.