みてみると、輸出および輸入共にカナダ、中国、メキシコが上位を占めており、輸入に関しては、ブラジルを含めた上位4カ国からの貿易を介した鉄の移動量が55.3%を占め、輸出に関しては韓国を含めた上位3ヶ国の占める割合が53.3%を占める事が判る(表(4)-4)。自国での資源供給を確保した上で、主要な貿易相手国とは、輸入と輸出を介した双方向の繋がりを確保している事が判る。

表(4)-2 日本の国際貿易に伴う鉄の移動量（2005年、294品目区分、230カ国）.

Country name	1000t	Share, %	HS-code	Commodity name	1000t	Share, %
Import	Australia	51,254	52.5	260111	Iron ore, concentrate, not iron pyrites, unagglomerated	78,515	80.5
Brazil	19,334	19.8	260112	Iron ore, concentrate, not iron pyrites, agglomerated	6,238	6.4
India	6,698	6.9	84	Nuclear reactors, boilers, machinery, etc	1,660	1.7
China	3,933	4.0	85	Electrical, electronic equipment	1,371	1.4
South Africa	3,475	3.6	260300	Copper ores and concentrates	1,002	1.0
Korea	3,221	3.3	720110	Pig iron, non-alloy, <0.5% phosphorus	946	1.0
Philippines	2,508	2.6	720839	Flat rld prod/coils>3mm	608	0.6
Taiwan	1,489	1.5	720917	Flat rld prod/coils<0.5<1	572	0.6
Chile	1,286	1.3	720916	Flat rld prod/coils<1>3m	495	0.5
United States	783	0.8	87	Vehicles other than railway, tramway	458	0.5
Others (220 countries)	3,605	3.7	-	Others (284 commodities)	5,721	5.9
Total	97,586	Total	97,586
Export	Korea	10,179	24.8	720449	Ferrous waste or scrap, nes	4,503	8.9
China	8,476	20.7	87	Vehicles other than railway, tramway	4,330	8.5
Taiwan	4,750	11.6	84	Nuclear reactors, boilers, machinery, etc	4,304	8.5
United States	4,614	11.3	85	Electrical, electronic equipment	3,204	6.3
Thailand	4,423	10.8	720712	Semi-finished bars, i/nas <0.25%C, rectangular, nes	2,684	5.3
Malaysia	1,500	3.7	720839	Flat rld prod/coils>3mm	2,522	5.0
Hong Kong	1,495	3.7	720851	Flat rld prod n/coils<10	2,383	4.7
Indonesia	1,400	3.4	721049	Flat rolled i/nas, coated with zinc, width >600mm, nes	2,112	4.2
Singapore	1,103	2.7	89	Ships, boats and other floating structures	1,824	3.6
Panama	977	2.4	720838	Flat rld prod/coils<3>4.	1,817	3.6
Others (220 countries)	11,883	29.0	-	Others (284 commodities)	21,118	41.6
Total	50,801	Total	50,801

表(4)-3 中国の国際貿易に伴う鉄の移動量 (2005年、294品目区分、230カ国).

Country name	1000t	Share, %	HS-code	Commodity name	1000t	Share, %
Import	Australia	73,889	32.4	260111	iron ore, concentrate, not iron pyrites, unagglomerated	165,221	72.5
India	46,848	20.6	260112	iron ore, concentrate, not iron pyrites, agglomerated	21,620	9.5
Brazil	40,153	17.6	720449	Ferrous waste or scrap, nes	6,129	2.7
South Africa	11,994	5.3	720917	Flat rld prod/coils<.5<1	3,405	1.5
Japan	8,476	3.7	85	Electrical, electronic equipment	2,670	1.2
Russia	5,972	2.6	84	Nuclear reactors, boilers, machinery, etc	2,581	1.1
Taiwan	5,638	2.5	720839	Flat rld prod/coils>3mm	2,472	1.1
Korea	4,557	2.0	720918	Flat rld prod/coils>.5mm	2,029	0.9
United States	3,206	1.4	721049	Flat rolled i/nas, coated with zinc, width >600mm, nes	1,732	0.8
Republic of Kazakhstan	3,167	1.4	721030	Flat rld prod elctr zinc	1,170	0.5
Others (220 countries)	23,900	10.5	-	Others (284 commodities)	18,772	8.2
Total	227,802	Total	227,802
Export	Korea	8,174	15.9	84	Nuclear reactors, boilers, machinery, etc	5,987	11.6
United States	7,751	15.1	85	Electrical, electronic equipment	5,271	10.2
Japan	3,933	7.6	720712	Semi-finished bars, i/nas <0.25%C, rectangular, nes	3,402	6.6
Hong Kong	3,701	7.2	721391	Bars&rods, circular cross	2,519	4.9
Taiwan	2,975	5.8	720110	Pig iron, non-alloy, <0.5% phosphorus	2,186	4.2
Thailand	2,822	5.5	720711	Rectangular i/nas bars, <.25%C, width< twice thickness	2,184	4.2
Indonesia	1,605	3.1	721420	Bar/rod, i/nas, indented or twisted, nes	1,689	3.3
Vietnam	1,392	2.7	720851	Flat rld prod n/coils<10	1,454	2.8
Singapore	1,300	2.5	720838	Flat rld prod/coils<3>4.	1,406	2.7
Italy	1,247	2.4	732690	Articles of iron or steel, nes	1,371	2.7
Others (220 countries)	16,549	32.2	-	Others (284 commodities)	23,982	46.6
Total	51,449	Total	51,449