District

Total paddy area (ha)

Number of samples based on the proportional allocation

Number of samples based on the minimum of 35% paddy land extent

Ampara

70,679

723

894

Anuradhapura

128,572

1315

1530

Badulla

28,141

288

260

Batticaloa

65,749

673

783

Colombo

10,626

109

81

Galle

24,989

256

202

Gampaha

25,367

259

180

Hambanthota

40,403

413

481

Jaffna

18,971

194

223

Kalutara

27,567

282

204

Kandy

19,063

195

97

Kegalle

12,597

129

19

Kilinochchi

30,608

313

355

Kurunegala

103,733

1,061

925

Mannar

221,489

227

276

Matale

19,851

203

157

Matara

19,265

197

139

Monaragala

16,092

165

156

Mullaitivu

20,565

210

240

Nuwaraeliya

6070

62

42

Polonnaruwa

43,820

448

539

Puttalam

26,719

273

231

Ratnapura

22,784

233

128

Trincomalee

51,248

524

605

Vavuniya

24,233

248

253

Sri Lanka

879,862

9000

9000