Leading countries in share of global gdp

Here is a chart from Wikipedia that shows the rankings as of 1998:

Region / Country	GDP (PPP) mill. of International dollars	GDP Share percentage (%)
World	33 725 635	100
United States	7 394 598	21.9
People's Republic of China	3 873 352	11.5
Far East (excluding China, India, Japan, Russia)	3 140 603	9.3
Japan	2 581 576	7.7
South America and Central America	2 285 700	6.8
Republic of India	1 702 712	5.0
Germany	1 460 069	4.3
West Asia	1 236 328	3.7
United Kingdom	1 150 080	3.4
Russia and Central Asia	1 132 434	3.4
France	1 108 568	3.3
Canada and Australia	1 061 537	3.1
Africa	1 039 408	3.1
Italy	1 022 776	3.0
Eastern Europe (excluding Russia)	660 861	2.0
Mexico	655 910	1.9
Spain	560 138	1.7
Netherlands	317 517	0.9
Belgium	198 249	0.6
Sweden	165 385	0.5
Austria	152 712	0.5
Switzerland	152 345	0.5
Portugal	128 877	0.4
Denmark	117 319	0.3
Norway	104 860	0.3
Finland	94 421	0.3

There is a chart at econstats that lists every country in the world and their shares of world gdp; it's way too large for me to post here but it includes data up through 2006.

Here is a ranking as of 2005 from the World Bank:

Total GDP 2005
(millions of Ranking Economy US dollars)
1 United States 12,455,068
2 Japan 4,505,912
3 Germany 2,781,900
4 China 2,228,862
5 United Kingdom 2,192,553
6 France 2,110,185
7 Italy 1,723,044
8 Spain 1,123,691
9 Canada 1,115,192
10 Brazil 794,098
11 Korea, Rep. 787,624
12 India 785,468
13 Mexico 768,438
14 Russia 763,720
15 Australia 700,672
16 Netherlands 594,755
17 Switzerland 365,937
18 Belgium 364,735
19 Turkey 363,300
20 Sweden 354,115
21 Saudi Arabia 309,778
22 Austria 304,527
23 Poland 299,151
24 Indonesia 287,217
25 Norway 283,920
26 Denmark 254,401
27 South Africa 240,152
28 Greece 213,698
29 Ireland 196,388
30 Iran 196,343
31 Finland 193,176
32 Argentina 183,309
33 Hong Kong 177,722
34 Thailand 176,602
35 Portugal 173,085
36 Venezuela 138,857
37 Malaysia 130,143
38 Israel 123,434
39 Czech Rep. 122,345
40 Colombia 122,309
41 Singapore 116,764
42 Chile 115,248
43 Pakistan 110,732
44 Hungary 109,154
45 New Zealand 109,041
46 UAEmirates 104,204
47 Algeria 102,257
48 Nigeria 98,951
49 Romania 98,559
50 Philippines 98,306