USA tops list with 254 trillion tons and 22.31% share. Russia second at 177 trillion tons, 15.51%. Australia third with 160 trillion tons, 14.01%. China fourth despite population at 150 trillion tons, 13.15%. India fifth with 108 trillion tons, 9.45%. Germany sixth, 40 trillion tons, 3.49%. Ukraine seventh, 38 trillion tons, 3.33%. South Africa sole top-10 African at eighth, 35 trillion tons, 3.08%. Poland ninth, 28 trillion tons, 2.50%. Kazakhstan tenth, 28 trillion tons, 2.48%. No sub-Saharan nation cracks top 25 except Mozambique 26th at 0.17%. Nigeria ranks 44th with 379 million tons, 0.033%. Tanzania 50th at 0.026%. DR Congo 60th at 97 million tons, 0.0085%. Zambia 64th at 0.0044%. Zimbabwe 38th at 0.049%. Botswana 59th at 0.0093%. Central African Republic 73rd at 0.00029%. Malawi 74th at 0.00019%. Niger 71st at 0.00058%. Europe and Asia dominate top 50. Greenland 52nd at 0.018%. Japan 43rd at 0.034%.