England retain their No 1 ranking, but they are only 20 points ahead of the in-form New Zealand side. All 20 World Cup sides are ranked in the world's top 20.
The rankings indicate that Pool A will be the most tightly contested at the Cup, with Australia ranked third and coming up against two of the big improvers in world rugby - Ireland (No 6) and Argentina (No 7).
Wales are in Pool D with New Zealand (No 2), Canada (No 11), Italy (No 13) and Tonga (No 14).
In the 1999 World Cup, New Zealand went in as the No 1 side with eventual winners Australia in second place and runners-up France fifth.
Zurich World Rankings (as of Sept 6, 2003): 1. England 1298 points, 2. New Zealand 1278, 3. Australia 1108, 4. France 1103, 5. South Africa 1006, 6. Ireland 929, 7. Argentina 858, 8. Scotland 756, 9. Wales 699, 10. Samoa 675, 11. Canada 569, 12. Fiji 561, 13. Italy 549, 14. Tonga 527, 15. Japan 457, 16. United States, 17. Georgia 363, 18. Romania 357, 19. Namibia 303, 20. Uruguay 295.
As the countdown continues for RWC2015, Tournament Chief Executive Debbie Jevans visited the Millennium Stadium to discuss preparations for the eight matches and reveal the positive news that 100,000 tickets for games at the home of Welsh rugby have sold in the last seven days.
Jason Harries is targeting a first win on the World Series circuit this season with Wales. The series returns to action this weekend in Dubai where Harries is part of a team hoping to build from its efforts in round one in October.
Wales skipper Jevon Groves says his side have addressed a few points from Gold Coast and aim to 'hit the ground running' in the next two rounds of the World Series, kicking off with this weekend in Dubai before heading off to South Africa next week.
Wales Sevens manager Steff Thomas is hopeful his side can build from a quarter-final spot in the opening round of the World Series in Australia when his side take part in the forthcoming double header in Dubai and South Africa.