small causal agent	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	total	small causal agent
engine		74	61		44		43	36	47	44	35	32	27	51	31	24	33	32	38	38	31	19	40	23	803	engine
power transmission mechanism		588	552		473		511	456	440	445	379	401	377	374	367	338	392	319	363	351	301	293	313	324	8,357	power transmission mechanism
circular sawing machine		2,620	2,370		2,172		1,776	1,641	1,555	1,419	1,199	1,182	1,153	1,094	1,065	1,028	870	839	777	774	805	721	721	653	26,434	circular sawing machine
band sawing machine		293	235		189		163	118	141	113	104	78	96	79	81	78	69	61	58	59	41	60	49	50	2,215	band sawing machine
wood planer machine		624	575		462		360	324	276	325	238	229	219	178	184	163	138	143	128	138	121	131	121	116	5,193	wood planer machine
hollow chisel mortiser, wood borer		105	131		86		66	53	66	53	43	37	33	35	42	31	36	30	26	33	18	25	14	28	991	hollow chisel mortiser, wood borer
chamfering machine, router, woodworking milling machine		120	110		96		68	62	66	60	45	34	42	34	36	39	32	31	25	43	25	23	31	16	1,038	chamfering machine, router, woodworking milling machine
chain saw		665	646		721		639	604	698	651	689	690	631	571	502	541	503	449	431	407	427	461	467	385	11,778	chain saw
other woodworking machines		1,217	1,023		878		763	680	713	634	519	518	551	524	483	475	411	436	390	374	387	349	372	305	12,002	other woodworking machines
leveling, transporting or loading machine		390	407		381		346	347	306	295	260	293	268	287	279	235	272	251	270	277	234	237	278	262	6,175	leveling, transporting or loading machine
excavating machine		1,237	1,108		913		942	823	752	752	663	645	671	696	681	690	573	567	586	593	653	672	650	684	15,551	excavating machine
foundation work machine		125	107		80		86	87	69	63	54	53	56	64	62	62	70	61	57	64	51	61	44	44	1,420	foundation work machine
hardening machine		136	175		137		96	111	100	99	88	99	74	78	64	83	84	79	57	52	66	52	58	49	1,837	hardening machine
demolition machine		144	131		126		131	125	119	120	112	98	104	105	171	186	192	193	181	164	171	162	186	168	3,089	demolition machine
vehicle for high lift work		85	91		95		98	114	112	119	105	92	90	88	81	89	102	105	95	78	119	100	102	119	2,079	vehicle for high lift work
other construction machines		452	460		388		421	364	330	337	313	292	327	331	322	297	212	227	180	198	168	173	195	175	6,162	other construction machines
lathe		516	527		424		395	433	363	385	287	298	306	338	267	241	284	244	210	249	227	222	233	189	6,638	lathe
drill press, milling machine		712	680		572		558	536	510	494	319	327	323	298	300	299	314	286	232	250	229	220	218	231	7,908	drill press, milling machine
grinding machine, buffing machine		855	849		797		755	726	816	749	599	633	689	620	561	603	565	569	549	562	560	521	554	518	13,650	grinding machine, buffing machine
power press		1,379	1,119		1,116		1,030	973	904	785	527	559	649	651	586	602	565	517	559	524	503	452	451	475	14,926	power press
forging pressure hammer		35	30		17		25	21	19	26	16	18	12	12	12	11	12	12	14	10	15	11	9	20	357	forging pressure hammer
shearing machine		242	194		213		176	156	189	160	144	141	120	141	102	132	105	125	95	101	95	91	93	83	2,898	shearing machine
other metal manufacturing machines		1,927	1,716		1,480		1,353	1,415	1,341	1,191	821	921	981	956	931	931	796	779	844	831	817	725	788	747	22,291	other metal manufacturing machines
centrifugal machine		22	21		21		16	24	18	25	13	12	16	13	18	16	15	13	11	17	18	12	14	17	352	centrifugal machine
mixer, grinder		338	389		356		313	324	331	300	262	243	248	284	282	256	250	201	221	224	243	238	225	230	5,758	mixer, grinder
roll machine (except printingroll machine)		671	646		602		566	532	529	509	446	479	416	439	440	424	385	348	417	365	358	354	321	351	9,598	roll machine (except printingroll machine)
injection molding machine		226	194		204		174	146	162	108	119	121	90	104	97	73	73	69	75	95	76	71	84	66	2,427	injection molding machine
food manufacturing machine		2,525	2,476		2,347		2,267	2,004	2,001	2,152	1,967	1,992	1,992	1,902	1,852	1,723	1,784	1,778	1,744	1,588	1,658	1,548	1,503	1,503	40,306	food manufacturing machine
printing machine		546	521		470		424	410	390	377	326	304	295	290	263	249	211	224	216	191	176	180	206	179	6,448	printing machine
industrial robot		34	26		47		36	36	51	34	29	26	30	31	30	29	26	24	26	26	22	24	29	21	637	industrial robot
other general power machines		5,563	5,335		5,064		4,430	4,507	4,309	4,126	3,626	3,571	3,576	3,371	3,282	3,158	3,184	3,083	3,071	3,176	3,206	2,954	3,020	2,993	78,605	other general power machines
felling machine																	48	56	39	37	45	65	40	70	400	felling machine
mobile logging machine																	27	20	19	24	21	18	15	21	165	mobile logging machine
skyline yarding machine																	12	15	7	11	15	11	16	15	102	skyline yarding machine
other mobile silviculture machine																	4	5	3	5	6	12	12	10	57	other mobile silviculture machine
crane		1,356	1,357		1,269		1,252	1,216	1,185	1,175	840	844	871	875	789	840	742	772	785	828	850	725	780	762	20,113	crane
mobile crane		1,131	969		912		870	766	736	768	648	619	588	566	660	630	615	597	564	603	589	570	566	551	14,518	mobile crane
derrick crane		2	5		3		2	4	4	4	1	5	3	2		2					1				38	derrick crane
elevator, lift		251	321		280		228	268	271	218	214	174	168	189	180	193	184	145	155	176	197	159	171	167	4,309	elevator, lift
cargo lifting appliance		20	20		12		14	10	14	6	5	10	16	5	12	11	5	13	14	12	16	11	15	16	257	cargo lifting appliance
gondola		8	15		10		14	13	8	21	11	12	13	5	11	7	4	5	10	7	8	5	11	9	207	gondola
lumberyard equipment, logging cableway		72	63		45		50	42	35	44	34	39	24	34	21	27	19	21	11	12	9	11	16	12	641	lumberyard equipment, logging cableway
simple skyline yarding equipment																	3	1		1		3	4	2	14	simple skyline yarding equipment
other powered crane		268	246		229		234	226	166	169	145	158	156	146	155	145	136	118	108	143	132	130	116	105	3,431	other powered crane
truck		11,765	11,480		10,876		10,304	10,228	9,923	9,445	8,253	8,548	8,547	8,677	8,995	8,817	8,664	8,502	8,797	8,870	8,760	8,890	9,011	8,788	196,140	truck
forklift		2,612	2,621		2,613		2,607	2,570	2,534	2,404	1,954	1,916	2,054	1,982	1,904	1,898	1,890	1,977	1,997	2,113	2,145	1,989	2,028	2,092	45,900	forklift
railway equipment		35	33		28		29	36	29	37	24	15	24	26	28	25	26	13	16	19	31	18	17	10	519	railway equipment
conveyor		1,544	1,554		1,504		1,376	1,390	1,400	1,339	1,071	1,153	1,092	1,104	1,127	1,131	998	981	1,019	988	967	941	976	935	24,590	conveyor
loader		70	66		66		52	61	43	50	38	36	48	48	37	50	48	47	47	40	57	47	54	59	1,064	loader
straddle carrier		10			5		1	6	2	5	1	2	3	5	2	7	4	5	5	4	2	4	5	3	81	straddle carrier
rough terrain hauler		39	48		41		33	31	19	37	43	20	23	17	22	25	28	18	34	25	30	23	24	20	600	rough terrain hauler
other powered conveying machines		704	665		647		623	623	587	543	444	527	521	498	465	478	408	409	464	460	430	376	395	407	10,674	other powered conveying machines
cars, bus, motorcycle		7,404	7,633		7,718		9,931	10,039	9,761	9,414	8,828	8,854	8,431	8,516	8,509	8,496	8,281	8,279	8,179	8,396	7,913	7,311	7,634	7,320	176,847	cars, bus, motorcycle
railway vehicle		76	72		64		92	83	65	73	75	64	71	64	91	65	50	67	74	65	81	65	79	66	1,502	railway vehicle
other vehicles		860	793		770		801	758	861	702	660	636	644	713	565	560	539	489	513	488	493	395	441	486	13,167	other vehicles
boiler		24	28		19		32	27	36	17	23	23	14	18	19	22	7	13	14	16	17	10	10	12	401	boiler
pressure vessel		61	65		52		42	39	35	39	36	24	29	41	26	18	29	31	38	22	29	23	23	17	719	pressure vessel
other pressure vessels		100	117		105		76	63	76	82	71	54	61	75	59	63	47	65	49	55	38	41	57	48	1,402	other pressure vessels
chemical facilities		43	27		44		57	45	40	40	26	25	33	33	17	38	29	32	24	43	30	21	47	31	725	chemical facilities
gas welding equipment		109	96		83		97	57	84	70	85	64	66	57	53	53	54	50	56	82	65	40	35	53	1,409	gas welding equipment
arc welding equipment		82	107		87		102	97	120	102	96	65	69	64	84	79	69	87	63	73	64	69	66	58	1,703	arc welding equipment
other welding equipment		153	140		112		106	107	97	115	54	55	48	76	77	86	70	70	68	59	67	59	74	79	1,772	other welding equipment
kiln, caldron		193	205		203		181	182	174	185	173	194	144	151	174	146	145	119	169	170	215	172	179	194	3,668	kiln, caldron
industrial dryer		28	29		20		30	24	21	25	29	21	26	23	25	27	16	16	29	16	28	25	22	25	505	industrial dryer
other kiln, caldron		32	30		37		12	31	24	24	25	16	18	19	20	30	35	30	23	22	21	17	20	16	502	other kiln, caldron
transmission		135	117		96		116	101	136	142	115	88	101	140	112	123	140	139	163	185	173	138	191	214	2,865	transmission
electric power facilities		64	73		64		65	50	72	66	51	72	50	56	49	60	47	45	42	59	38	45	52	47	1,167	electric power facilities
other electrical equipment		125	138		108		106	96	85	105	72	86	99	65	91	89	76	92	88	91	90	116	114	76	2,008	other electrical equipment
human power cranes		96	113		115		100	94	97	95	57	66	82	60	65	72	56	62	64	84	406	573	907	1,384	4,648	human power cranes
human power hauling equipment		2,397	2,616		2,770		3,102	3,296	3,420	3,635	3,281	3,464	3,532	3,714	3,654	3,796	3,821	4,249	4,281	4,593	4,493	4,528	4,332	4,208	77,182	human power hauling equipment
human power machine		180	189		124		126	130	124	114	85	106	96	100	113	110	101	85	100	85	94	94	99	88	2,343	human power machine
hand tool		4,709	4,784		4,451		4,138	4,052	4,077	3,730	3,324	3,333	3,201	3,492	3,406	3,245	3,145	2,972	2,987	3,122	3,068	3,121	3,238	3,204	74,799	hand tool
ladder		5,829	5,867		5,651		5,610	5,653	5,613	5,464	5,041	5,061	5,199	5,309	5,269	5,250	5,034	5,086	5,178	5,410	5,571	5,621	5,663	5,569	113,948	ladder
slinging tool		809	815		743		758	706	704	647	518	516	482	483	497	448	449	468	444	417	418	369	394	379	11,464	slinging tool
other tools		3,806	4,022		4,131		4,233	4,572	4,534	4,848	3,873	3,945	4,220	4,080	4,303	4,371	4,481	4,733	5,066	5,109	5,568	5,180	5,553	5,582	96,210	other tools
other equipment, facilities		2,643	2,715		2,433		2,923	2,961	3,086	3,150	2,827	3,123	2,931	3,101	3,143	3,266	3,190	3,338	3,103	3,348	3,368	3,476	3,808	3,924	65,857	other equipment, facilities
scaffolding		2,492	2,296		2,035		1,905	1,881	1,838	1,580	1,182	1,053	1,224	1,234	1,318	1,332	1,154	1,093	1,030	1,023	1,116	920	908	813	29,427	scaffolding
timbering		224	224		148		132	169	164	116	88	86	87	83	86	72	83	65	52	67	50	49	75	56	2,176	timbering
stairs, landing stage		4,678	4,760		5,048		5,151	5,575	5,476	5,467	5,088	4,992	5,133	5,118	4,986	5,337	5,320	5,618	5,786	5,950	6,270	6,343	6,597	6,725	115,418	stairs, landing stage
opening		523	578		493		476	505	494	449	457	395	387	433	429	420	413	456	420	494	502	484	466	474	9,748	opening
roof, beam, haze, crossbeam, principal rafter		2,087	2,135		1,859		1,851	1,657	1,360	1,317	1,103	1,187	1,337	1,360	1,246	1,170	1,069	1,030	962	1,080	946	836	814	802	27,208	roof, beam, haze, crossbeam, principal rafter
working platform, boot board		4,195	3,846		4,033		3,462	3,793	3,803	3,979	3,481	3,627	3,440	3,434	3,396	3,714	3,693	3,578	3,780	4,035	3,775	3,515	3,400	3,841	77,820	working platform, boot board
passage		7,973	9,055		9,058		10,174	10,336	9,946	10,636	9,794	10,378	11,112	11,340	11,043	11,746	11,404	13,046	13,283	15,395	14,401	15,042	16,969	16,776	248,907	passage
building,　establishment		4,496	4,631		4,258		4,172	4,498	4,348	4,267	3,931	4,020	4,244	4,047	4,061	3,713	3,862	3,746	4,058	4,196	3,739	3,895	3,973	3,926	86,081	building,　establishment
other temporary buildings, establishments		2,474	2,599		2,791		2,777	2,813	2,544	2,522	2,376	2,538	2,393	2,584	2,434	2,781	2,887	2,976	2,734	2,883	3,269	3,359	3,105	3,303	58,142	other temporary buildings, establishments
explosive substance		52	47		48		44	29	27	22	19	21	15	17	31	18	17	16	14	14	14	11	18	19	513	explosive substance
inflammable substance		214	218		190		166	197	199	163	127	152	111	147	124	153	112	101	112	106	164	98	110	101	3,065	inflammable substance
inflammable gas		122	116		108		88	93	94	106	59	63	95	85	61	79	49	80	59	70	59	55	37	49	1,627	inflammable gas
harmful substance		322	330		307		341	380	320	272	214	264	294	255	258	230	278	250	238	259	213	192	176	195	5,588	harmful substance
radiation		3	1		2			1		3	1			1		1	1	1	5				2		22	radiation
other hazards, harmful substances		463	534		520		524	472	467	419	411	350	452	416	432	445	415	470	475	411	481	456	452	440	9,505	other hazards, harmful substances
metal material		6,858	6,771		5,751		5,534	5,629	5,427	4,893	3,850	3,822	3,749	3,901	3,663	3,809	3,509	3,463	3,595	3,548	3,394	3,070	3,131	3,320	90,687	metal material
lumber, bamboo		2,779	2,444		2,066		1,947	1,822	1,734	1,427	1,289	1,266	1,270	1,254	1,277	1,198	1,095	1,111	1,070	1,067	1,028	1,007	969	1,031	30,151	lumber, bamboo
stone, sand, substance		1,011	917		721		642	580	543	492	396	401	408	408	400	448	321	326	336	334	347	323	312	329	9,995	stone, sand, substance
other materials		2,527	2,286		2,127		1,977	2,211	2,134	1,890	1,710	1,741	1,761	1,832	1,798	1,760	1,676	1,501	1,486	1,451	1,504	1,435	1,458	1,581	37,846	other materials
load		7,443	7,791		7,077		6,837	7,227	7,576	7,146	6,106	6,009	6,009	6,080	5,917	5,950	5,997	6,103	6,134	6,487	6,581	6,841	6,995	7,338	139,644	load
machine/equipment as load		727	862		713		706	713	710	683	586	590	528	589	543	458	459	451	396	423	461	431	397	432	11,858	machine/equipment as load
natural ground, rock		1,693	1,527		1,424		1,151	1,153	1,071	1,095	966	956	963	964	917	833	873	751	797	745	786	773	777	758	20,973	natural ground, rock
standing tree		1,468	1,506		1,373		1,250	1,163	1,277	1,213	1,374	1,371	1,332	1,141	1,106	1,053	1,086	1,005	965	980	899	953	882	840	24,237	standing tree
water		175	155		178		183	204	170	182	163	126	1,450	155	184	188	130	148	135	204	160	206	140	99	4,735	water
abnormal environment		41	46		40		41	41	44	45	27	44	59	83	65	26	35	51	55	65	31	32	28	34	933	abnormal environment
high/cold temperature environment		360	652		391		382	516	480	485	300	834	662	709	819	748	656	666	733	1,483	1,087	1,194	847	1,210	15,214	high/cold temperature environment
other environments		2,351	2,851		2,368		2,848	2,605	2,174	2,515	2,351	2,608	3,021	3,294	3,407	3,944	2,924	3,321	3,484	3,968	2,987	3,230	3,758	4,477	64,486	other environments
other causal agent		3,394	3,019		2,891		3,115	3,431	3,206	3,367	2,797	2,859	3,365	3,088	3,168	3,141	3,386	3,190	3,603	3,374	3,672	9,486	22,953	3,998	94,503	other causal agent
no causal agent		3,975	4,210		4,855		5,155	5,163	5,291	5,589	5,959	6,155	6,093	6,428	6,291	6,478	6,749	6,613	7,514	8,635	8,939	10,065	11,276	10,980	142,413	no causal agent
unclassifiable		543	583		552		467	500	540	587	449	374	368	428	394	385	324	252	294	342	256	176	194	250	8,258	unclassifiable
total	141,055	139,974	140,149	132,339	132,936	132,248	133,050	134,298	131,478	129,026	114,152	116,733	119,622	119,576	118,157	119,535	116,311	117,910	120,460	127,329	125,611	131,156	149,918	132,355	3,075,378	total
small causal agent	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	total	small causal agent

notes
Fatal and non-fatal accidents mean fatal and non-fatal injuries and occupational diseases with work absence of 4 days and more.
Data of 2022 year do not include Covid-19 cases. Data of 2020 & 2021 year include Covid-19 cases. Fatal and non-fatal data are same situation.
Data of 2011 year include fatal and non-fatal accidents caused by Great East Japan Earthquake in 2011. Data source: https://anzeninfo.mhlw.go.jp/user/anzen/tok/anst00.html

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